Holden DPW Water Division (MA) Water Quality

Holden DPW Water Division is a large public water system in EPA region 1 that provides tap water for the 01520 zip codes. It has 11 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 32.64 µg/L. The maximum reported level of Manganese was 119 µg/L. There were 2 contamintants found in the Holden DPW Water Division water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

Jump To Contaminant
1,1-dichloroethane
1,2,3-trichloropropane
1,3-butadiene
1,4-dioxane
1-butanol
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid
1H,1H,2H,2H-perfluorodecane sulfonic acid
1H,1H,2H,2H-perfluorohexane sulfonic acid
1H,1H,2H,2H-perfluorooctane sulfonic acid
2,4-dinitrotoluene
2,6-dinitrotoluene
2-methoxyethanol
2-propen-1-ol (Allyl Alcohol)
4,4'-dichloro dichlorophenyl ethylene (DDE)
4,8-dioxa-3H-perfluorononanoic acid
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid
alpha-hexachlorocyclohexane
anatoxin-a
bromochloromethane (Halon 1011)
bromomethane
Butylated Hydroxyanisole
chlorate
chlorodifluoromethane (HCFC-22)
chloromethane
chlorpyrifos
chromium
chromium-6
cobalt
cylindrospermopsin
dimethipin
dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate
ethoprop
Germanium
HAA5 (five regulated haloacetic acids)
HAA6Br (six brominated haloacetic acids)
HAA9 (nine haloacetic acids)
hexafluoropropylene oxide dimer acid (GenX)
lithium
Manganese
methyl-tertiary-butyl-ether (MTBE)
molinate
molybdenum
N-ethyl perfluorooctanesulfonamidoacetic acid
N-methyl perfluorooctanesulfonamidoacetic acid
nitrobenzene
nonafluoro-3,6-dioxaheptanoic acid
o-toluidine
oxyfluorfen
perchlorate
perfluoro(2-ethoxyethane)sulfonic acid
perfluoro-3-methoxypropanoic acid
perfluoro-4-methoxybutanoic acid
perfluorobutanesulfonic acid
perfluorobutanoic acid
perfluorodecanoic acid
perfluorododecanoic acid
perfluoroheptanesulfonic acid
perfluoroheptanoic acid
perfluorohexanesulfonic acid
perfluorohexanoic acid
perfluorononanoic acid
perfluorooctanesulfonic acid
perfluorooctanoic acid
perfluoropentanesulfonic acid
perfluoropentanoic acid
perfluorotetradecanoic acid
perfluorotridecanoic acid
perfluoroundecanoic acid
profenofos
quinoline
s-ethyl-dipropylthiocarbamate (EPTC)
strontium
tebuconazole
terbacil
total microcystins
Total Permethrin
tribufos
vanadium

1,1-dichloroethane (9)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/27/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/19/2014

10 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

0.54 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.51 µg/L

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

1,2,3-trichloropropane (9)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/27/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/19/2014

10 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

1,3-butadiene (9)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.1 µg/L

Below Reporting Level

5/27/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.1 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.1 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.1 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.1 µg/L

Below Reporting Level

11/19/2014

10 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.1 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.1 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.1 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.1 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 0.1 µg/L
Reference Level: ?

Contaminant Details

1,4-dioxane (9)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.07 µg/L

Below Reporting Level

5/27/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.07 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.07 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.07 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.07 µg/L

Below Reporting Level

11/19/2014

10 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.07 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.07 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.07 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.07 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 0.07 µg/L
Reference Level: ?

Contaminant Details

1-butanol (14)

Entry Point to Dist. System

Brattle Intertie ℹ️

<2 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<2 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<2 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<2 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<2 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<2 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<2 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<2 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<2 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<2 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<2 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<2 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<2 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<2 µg/L

Below Reporting Level

5/22/2019

6 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.005 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.005 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.005 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.005 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.005 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.005 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

2,4-dinitrotoluene (7)

SPRING STREET GRAVE 19984

SPRING STREET GRAVEL PACKED WELL ℹ️

<2 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<2 µg/L

Below Reporting Level

3/2/2005

20 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<2 µg/L

Below Reporting Level

3/2/2005

20 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<2 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<2 µg/L

Below Reporting Level

8/5/2003

22 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<2 µg/L

Below Reporting Level

8/5/2003

22 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<2 µg/L

Below Reporting Level

8/5/2003

22 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

2,6-dinitrotoluene (7)

SPRING STREET GRAVE 19984

SPRING STREET GRAVEL PACKED WELL ℹ️

<2 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<2 µg/L

Below Reporting Level

3/2/2005

20 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<2 µg/L

Below Reporting Level

3/2/2005

20 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<2 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<2 µg/L

Below Reporting Level

8/5/2003

22 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<2 µg/L

Below Reporting Level

8/5/2003

22 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<2 µg/L

Below Reporting Level

8/5/2003

22 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

2-methoxyethanol (14)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.4 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.4 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.4 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.4 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.4 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.4 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.4 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.4 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.4 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.4 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.4 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.4 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.4 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.4 µg/L

Below Reporting Level

5/22/2019

6 years ago

Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (14)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.5 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.5 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.5 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.5 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.5 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.5 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.5 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.5 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.5 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.5 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.5 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.5 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.5 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.5 µg/L

Below Reporting Level

5/22/2019

6 years ago

Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (7)

SPRING STREET GRAVE 19984

SPRING STREET GRAVEL PACKED WELL ℹ️

<0.8 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<0.8 µg/L

Below Reporting Level

3/2/2005

20 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<0.8 µg/L

Below Reporting Level

3/2/2005

20 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<0.8 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<0.8 µg/L

Below Reporting Level

8/5/2003

22 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<0.8 µg/L

Below Reporting Level

8/5/2003

22 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<0.8 µg/L

Below Reporting Level

8/5/2003

22 years ago

Minimum Reporting Level: 0.8 µg/L
Reference Level: ?

Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.002 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.002 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.002 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.002 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.002 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.002 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.002 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.002 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.002 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.002 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.002 µg/L
Reference Level: ?

Contaminant Details

alpha-hexachlorocyclohexane (14)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.01 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.01 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.01 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.01 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.01 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.01 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.01 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.01 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.01 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.01 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.01 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.01 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.01 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.01 µg/L

Below Reporting Level

5/22/2019

6 years ago

Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L

Contaminant Details

anatoxin-a (16)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

7/22/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

7/22/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

7/8/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

7/8/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

6/3/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

6/3/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/20/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/20/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/6/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/6/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

4/22/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

4/22/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

4/8/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

4/8/2020

5 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

bromochloromethane (Halon 1011) (9)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.06 µg/L

Below Reporting Level

5/27/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.06 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.06 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.06 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.06 µg/L

Below Reporting Level

11/19/2014

10 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.06 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.06 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.06 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.06 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 0.06 µg/L
Reference Level: ?

Contaminant Details

bromomethane (9)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/27/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

11/19/2014

10 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

Butylated Hydroxyanisole (14)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.03 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.03 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.03 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

chlorate (19)

Entry Point to Dist. System

Brattle Intertie ℹ️

<20 µg/L

Below Reporting Level

5/27/2015

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

<20 µg/L

Below Reporting Level

5/27/2015

10 years ago

DSMRT for Spring Street Well

Distribution System - GW ℹ️

120 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 100 µg/L

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

30 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 10 µg/L

2/25/2015

10 years ago

DSMRT for Wachusett Street WTP

Distribution System - GW ℹ️

20 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 0 µg/L

2/25/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<20 µg/L

Below Reporting Level

2/25/2015

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

<20 µg/L

Below Reporting Level

2/25/2015

10 years ago

DSMRT for Mason Road Well

Distribution System - GW ℹ️

<20 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<20 µg/L

Below Reporting Level

2/24/2015

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

25 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 5 µg/L

11/19/2014

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<20 µg/L

Below Reporting Level

11/19/2014

10 years ago

DSMRT for Spring Street Well

Distribution System - GW ℹ️

190 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 170 µg/L

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

22 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 2 µg/L

8/20/2014

11 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<20 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<20 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<20 µg/L

Below Reporting Level

8/20/2014

11 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

<20 µg/L

Below Reporting Level

8/20/2014

11 years ago

DSMRT for Wachusett Street WTP

Distribution System - GW ℹ️

<20 µg/L

Below Reporting Level

8/20/2014

11 years ago

DSMRT for Mason Road Well

Distribution System - GW ℹ️

<20 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 20 µg/L
Reference Level: ?

Contaminant Details

chlorodifluoromethane (HCFC-22) (9)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.08 µg/L

Below Reporting Level

5/27/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.08 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.08 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.08 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.08 µg/L

Below Reporting Level

11/19/2014

10 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.08 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.08 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.08 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.08 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 0.08 µg/L
Reference Level: ?

Contaminant Details

chloromethane (9)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/27/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

11/19/2014

10 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

chlorpyrifos (14)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.03 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.03 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.03 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L

Contaminant Details

chromium (19)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/27/2015

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

<0.2 µg/L

Below Reporting Level

5/27/2015

10 years ago

DSMRT for Spring Street Well

Distribution System - GW ℹ️

0.56 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.36 µg/L

2/25/2015

10 years ago

DSMRT for Wachusett Street WTP

Distribution System - GW ℹ️

0.33 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.13 µg/L

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

0.25 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.05 µg/L

2/25/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2015

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2015

10 years ago

DSMRT for Mason Road Well

Distribution System - GW ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

0.42 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.22 µg/L

11/19/2014

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

0.28 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.08 µg/L

11/19/2014

10 years ago

DSMRT for Spring Street Well

Distribution System - GW ℹ️

0.71 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.51 µg/L

8/20/2014

11 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

0.57 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.37 µg/L

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

DSMRT for Wachusett Street WTP

Distribution System - GW ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

DSMRT for Mason Road Well

Distribution System - GW ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

chromium-6 (19)

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

0.076 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.046 µg/L

5/27/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

0.057 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.027 µg/L

5/27/2015

10 years ago

DSMRT for Spring Street Well

Distribution System - GW ℹ️

0.44 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.41 µg/L

2/25/2015

10 years ago

DSMRT for Wachusett Street WTP

Distribution System - GW ℹ️

0.18 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.15 µg/L

2/25/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

0.047 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.017 µg/L

2/25/2015

10 years ago

DSMRT for Mason Road Well

Distribution System - GW ℹ️

0.045 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.015 µg/L

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

0.04 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.01 µg/L

2/25/2015

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

0.038 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.008 µg/L

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

0.053 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.023 µg/L

2/24/2015

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

0.057 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.027 µg/L

11/19/2014

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

0.042 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.012 µg/L

11/19/2014

10 years ago

DSMRT for Spring Street Well

Distribution System - GW ℹ️

0.66 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.63 µg/L

8/20/2014

11 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

0.33 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.3 µg/L

8/20/2014

11 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

0.085 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.055 µg/L

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

0.066 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.036 µg/L

8/20/2014

11 years ago

DSMRT for Wachusett Street WTP

Distribution System - GW ℹ️

0.052 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.022 µg/L

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

0.048 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.018 µg/L

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

0.047 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.017 µg/L

8/20/2014

11 years ago

DSMRT for Mason Road Well

Distribution System - GW ℹ️

0.046 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.016 µg/L

8/20/2014

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

cobalt (19)

Entry Point to Dist. System

Brattle Intertie ℹ️

<1 µg/L

Below Reporting Level

5/27/2015

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

<1 µg/L

Below Reporting Level

5/27/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

1.8 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.8 µg/L

2/25/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<1 µg/L

Below Reporting Level

2/25/2015

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

<1 µg/L

Below Reporting Level

2/25/2015

10 years ago

DSMRT for Spring Street Well

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

2/25/2015

10 years ago

DSMRT for Wachusett Street WTP

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

2/25/2015

10 years ago

DSMRT for Mason Road Well

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<1 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<1 µg/L

Below Reporting Level

11/19/2014

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

<1 µg/L

Below Reporting Level

11/19/2014

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.1 µg/L

8/20/2014

11 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<1 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<1 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<1 µg/L

Below Reporting Level

8/20/2014

11 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

<1 µg/L

Below Reporting Level

8/20/2014

11 years ago

DSMRT for Spring Street Well

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

8/20/2014

11 years ago

DSMRT for Wachusett Street WTP

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

8/20/2014

11 years ago

DSMRT for Mason Road Well

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

cylindrospermopsin (16)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.09 µg/L

Below Reporting Level

7/22/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.09 µg/L

Below Reporting Level

7/22/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.09 µg/L

Below Reporting Level

7/8/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.09 µg/L

Below Reporting Level

7/8/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.09 µg/L

Below Reporting Level

6/18/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.09 µg/L

Below Reporting Level

6/18/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.09 µg/L

Below Reporting Level

6/3/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.09 µg/L

Below Reporting Level

6/3/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.09 µg/L

Below Reporting Level

5/20/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.09 µg/L

Below Reporting Level

5/20/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.09 µg/L

Below Reporting Level

5/6/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.09 µg/L

Below Reporting Level

5/6/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.09 µg/L

Below Reporting Level

4/22/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.09 µg/L

Below Reporting Level

4/22/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.09 µg/L

Below Reporting Level

4/8/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.09 µg/L

Below Reporting Level

4/8/2020

5 years ago

Minimum Reporting Level: 0.09 µg/L
Reference Level: 0.7 µg/L

Contaminant Details

dimethipin (14)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.2 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.2 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.2 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.2 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.2 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.2 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.2 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.2 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/22/2019

6 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (7)

SPRING STREET GRAVE 19984

SPRING STREET GRAVEL PACKED WELL ℹ️

<1 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<1 µg/L

Below Reporting Level

3/2/2005

20 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<1 µg/L

Below Reporting Level

3/2/2005

20 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<1 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<1 µg/L

Below Reporting Level

8/5/2003

22 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<1 µg/L

Below Reporting Level

8/5/2003

22 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<1 µg/L

Below Reporting Level

8/5/2003

22 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

ethoprop (14)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.03 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.03 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.03 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L

Contaminant Details

Germanium (14)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.3 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.3 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.3 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.3 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.3 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.3 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.3 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.3 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.3 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.3 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.3 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.3 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.3 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.3 µg/L

Below Reporting Level

5/22/2019

6 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

HAA5 (five regulated haloacetic acids) (16)

BRATTLE STREET INTERTIE

DISTRIBUTION SYSTEM ℹ️

25.23 µg/L

Meets Reporting Threshold

2/26/2020

5 years ago

1 HOLDEN STREET

DISTRIBUTION SYSTEM ℹ️

24.55 µg/L

Meets Reporting Threshold

2/26/2020

5 years ago

CHAPIN ROAD TANK

DISTRIBUTION SYSTEM ℹ️

11.26 µg/L

Meets Reporting Threshold

2/26/2020

5 years ago

70 WINDHURST WAY

DISTRIBUTION SYSTEM ℹ️

0.96 µg/L

Meets Reporting Threshold

2/26/2020

5 years ago

BRATTLE STREET INTERTIE

DISTRIBUTION SYSTEM ℹ️

17.92 µg/L

Meets Reporting Threshold

11/25/2019

5 years ago

1 HOLDEN STREET

DISTRIBUTION SYSTEM ℹ️

16.9 µg/L

Meets Reporting Threshold

11/25/2019

5 years ago

CHAPIN ROAD TANK

DISTRIBUTION SYSTEM ℹ️

14.2 µg/L

Meets Reporting Threshold

11/25/2019

5 years ago

70 WINDHURST WAY

DISTRIBUTION SYSTEM ℹ️

3.5 µg/L

Meets Reporting Threshold

11/25/2019

5 years ago

BRATTLE STREET INTERTIE

DISTRIBUTION SYSTEM ℹ️

32.64 µg/L

⚠️ Exceeds 50% of Reference Level

8/27/2019

6 years ago

1 HOLDEN STREET

DISTRIBUTION SYSTEM ℹ️

31.06 µg/L

⚠️ Exceeds 50% of Reference Level

8/27/2019

6 years ago

CHAPIN ROAD TANK

DISTRIBUTION SYSTEM ℹ️

28.4 µg/L

Meets Reporting Threshold

8/27/2019

6 years ago

70 WINDHURST WAY

DISTRIBUTION SYSTEM ℹ️

20.9 µg/L

Meets Reporting Threshold

8/27/2019

6 years ago

BRATTLE STREET INTERTIE

DISTRIBUTION SYSTEM ℹ️

25.73 µg/L

Meets Reporting Threshold

5/22/2019

6 years ago

1 HOLDEN STREET

DISTRIBUTION SYSTEM ℹ️

21.6 µg/L

Meets Reporting Threshold

5/22/2019

6 years ago

CHAPIN ROAD TANK

DISTRIBUTION SYSTEM ℹ️

18.46 µg/L

Meets Reporting Threshold

5/22/2019

6 years ago

70 WINDHURST WAY

DISTRIBUTION SYSTEM ℹ️

5.14 µg/L

Meets Reporting Threshold

5/22/2019

6 years ago

Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L

Contaminant Details

HAA6Br (six brominated haloacetic acids) (16)

1 HOLDEN STREET

DISTRIBUTION SYSTEM ℹ️

6.15 µg/L

2/26/2020

5 years ago

BRATTLE STREET INTERTIE

DISTRIBUTION SYSTEM ℹ️

6.13 µg/L

2/26/2020

5 years ago

CHAPIN ROAD TANK

DISTRIBUTION SYSTEM ℹ️

3.97 µg/L

2/26/2020

5 years ago

70 WINDHURST WAY

DISTRIBUTION SYSTEM ℹ️

0 µg/L

2/26/2020

5 years ago

BRATTLE STREET INTERTIE

DISTRIBUTION SYSTEM ℹ️

6.83 µg/L

11/25/2019

5 years ago

1 HOLDEN STREET

DISTRIBUTION SYSTEM ℹ️

5.02 µg/L

11/25/2019

5 years ago

CHAPIN ROAD TANK

DISTRIBUTION SYSTEM ℹ️

4.79 µg/L

11/25/2019

5 years ago

70 WINDHURST WAY

DISTRIBUTION SYSTEM ℹ️

1.49 µg/L

11/25/2019

5 years ago

BRATTLE STREET INTERTIE

DISTRIBUTION SYSTEM ℹ️

8.18 µg/L

8/27/2019

6 years ago

1 HOLDEN STREET

DISTRIBUTION SYSTEM ℹ️

6.76 µg/L

8/27/2019

6 years ago

CHAPIN ROAD TANK

DISTRIBUTION SYSTEM ℹ️

5.16 µg/L

8/27/2019

6 years ago

70 WINDHURST WAY

DISTRIBUTION SYSTEM ℹ️

4.72 µg/L

8/27/2019

6 years ago

CHAPIN ROAD TANK

DISTRIBUTION SYSTEM ℹ️

5.91 µg/L

5/22/2019

6 years ago

BRATTLE STREET INTERTIE

DISTRIBUTION SYSTEM ℹ️

4.73 µg/L

5/22/2019

6 years ago

1 HOLDEN STREET

DISTRIBUTION SYSTEM ℹ️

3 µg/L

5/22/2019

6 years ago

70 WINDHURST WAY

DISTRIBUTION SYSTEM ℹ️

2.5 µg/L

5/22/2019

6 years ago

Minimum Reporting Level: 0 µg/L
Reference Level: ?

Contaminant Details

HAA9 (nine haloacetic acids) (16)

BRATTLE STREET INTERTIE

DISTRIBUTION SYSTEM ℹ️

30.83 µg/L

2/26/2020

5 years ago

1 HOLDEN STREET

DISTRIBUTION SYSTEM ℹ️

30.15 µg/L

2/26/2020

5 years ago

CHAPIN ROAD TANK

DISTRIBUTION SYSTEM ℹ️

14.77 µg/L

2/26/2020

5 years ago

70 WINDHURST WAY

DISTRIBUTION SYSTEM ℹ️

0.96 µg/L

2/26/2020

5 years ago

BRATTLE STREET INTERTIE

DISTRIBUTION SYSTEM ℹ️

24.23 µg/L

11/25/2019

5 years ago

1 HOLDEN STREET

DISTRIBUTION SYSTEM ℹ️

21.92 µg/L

11/25/2019

5 years ago

CHAPIN ROAD TANK

DISTRIBUTION SYSTEM ℹ️

18.99 µg/L

11/25/2019

5 years ago

70 WINDHURST WAY

DISTRIBUTION SYSTEM ℹ️

4.99 µg/L

11/25/2019

5 years ago

BRATTLE STREET INTERTIE

DISTRIBUTION SYSTEM ℹ️

40.28 µg/L

8/27/2019

6 years ago

1 HOLDEN STREET

DISTRIBUTION SYSTEM ℹ️

37.46 µg/L

8/27/2019

6 years ago

CHAPIN ROAD TANK

DISTRIBUTION SYSTEM ℹ️

33.56 µg/L

8/27/2019

6 years ago

70 WINDHURST WAY

DISTRIBUTION SYSTEM ℹ️

25.62 µg/L

8/27/2019

6 years ago

BRATTLE STREET INTERTIE

DISTRIBUTION SYSTEM ℹ️

29.63 µg/L

5/22/2019

6 years ago

1 HOLDEN STREET

DISTRIBUTION SYSTEM ℹ️

24.6 µg/L

5/22/2019

6 years ago

CHAPIN ROAD TANK

DISTRIBUTION SYSTEM ℹ️

23.81 µg/L

5/22/2019

6 years ago

70 WINDHURST WAY

DISTRIBUTION SYSTEM ℹ️

7.3 µg/L

5/22/2019

6 years ago

Minimum Reporting Level: 0 µg/L
Reference Level: ?

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.005 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.005 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

lithium (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<9 µg/L

Below Reporting Level

12/12/2023

20 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<9 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<9 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<9 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<9 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<9 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<9 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<9 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<9 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<9 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 9 µg/L
Reference Level: ?

Contaminant Details

Manganese (14)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

11.4 µg/L

Meets Reporting Threshold

2/26/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

4.2 µg/L

Meets Reporting Threshold

2/26/2020

5 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

119 µg/L

Meets Reporting Threshold

12/12/2019

5 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

27.7 µg/L

Meets Reporting Threshold

11/25/2019

5 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

17.3 µg/L

Meets Reporting Threshold

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

6 µg/L

Meets Reporting Threshold

11/25/2019

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

2.9 µg/L

Meets Reporting Threshold

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

36 µg/L

Meets Reporting Threshold

8/27/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

31 µg/L

Meets Reporting Threshold

8/27/2019

6 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

87.9 µg/L

Meets Reporting Threshold

5/22/2019

6 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

40.4 µg/L

Meets Reporting Threshold

5/22/2019

6 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

16.2 µg/L

Meets Reporting Threshold

5/22/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

7.2 µg/L

Meets Reporting Threshold

5/22/2019

6 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

4.1 µg/L

Meets Reporting Threshold

5/22/2019

6 years ago

Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (7)

SPRING STREET GRAVE 19984

SPRING STREET GRAVEL PACKED WELL ℹ️

<5 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<5 µg/L

Below Reporting Level

3/2/2005

20 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<5 µg/L

Below Reporting Level

3/2/2005

20 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<5 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<5 µg/L

Below Reporting Level

8/5/2003

22 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<5 µg/L

Below Reporting Level

8/5/2003

22 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<5 µg/L

Below Reporting Level

8/5/2003

22 years ago

Minimum Reporting Level: 5 µg/L
Reference Level: ?

Contaminant Details

molinate (7)

SPRING STREET GRAVE 19984

SPRING STREET GRAVEL PACKED WELL ℹ️

<0.9 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<0.9 µg/L

Below Reporting Level

3/2/2005

20 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<0.9 µg/L

Below Reporting Level

3/2/2005

20 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<0.9 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<0.9 µg/L

Below Reporting Level

8/5/2003

22 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<0.9 µg/L

Below Reporting Level

8/5/2003

22 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<0.9 µg/L

Below Reporting Level

8/5/2003

22 years ago

Minimum Reporting Level: 0.9 µg/L
Reference Level: ?

Contaminant Details

molybdenum (19)

Entry Point to Dist. System

Brattle Intertie ℹ️

<1 µg/L

Below Reporting Level

5/27/2015

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

<1 µg/L

Below Reporting Level

5/27/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<1 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<1 µg/L

Below Reporting Level

2/25/2015

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

<1 µg/L

Below Reporting Level

2/25/2015

10 years ago

DSMRT for Spring Street Well

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

2/25/2015

10 years ago

DSMRT for Wachusett Street WTP

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

2/25/2015

10 years ago

DSMRT for Mason Road Well

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<1 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<1 µg/L

Below Reporting Level

11/19/2014

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

<1 µg/L

Below Reporting Level

11/19/2014

10 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<1 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<1 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<1 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<1 µg/L

Below Reporting Level

8/20/2014

11 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

<1 µg/L

Below Reporting Level

8/20/2014

11 years ago

DSMRT for Spring Street Well

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

8/20/2014

11 years ago

DSMRT for Wachusett Street WTP

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

8/20/2014

11 years ago

DSMRT for Mason Road Well

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

12/12/2023

20 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.005 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.005 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.006 µg/L

Below Reporting Level

12/12/2023

20 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.006 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.006 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.006 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.006 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.006 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.006 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.006 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.006 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.006 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.006 µg/L
Reference Level: ?

Contaminant Details

nitrobenzene (7)

SPRING STREET GRAVE 19984

SPRING STREET GRAVEL PACKED WELL ℹ️

<10 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<10 µg/L

Below Reporting Level

3/2/2005

20 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<10 µg/L

Below Reporting Level

3/2/2005

20 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<10 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<10 µg/L

Below Reporting Level

8/5/2003

22 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<10 µg/L

Below Reporting Level

8/5/2003

22 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<10 µg/L

Below Reporting Level

8/5/2003

22 years ago

Minimum Reporting Level: 10 µg/L
Reference Level: ?

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.02 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.02 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.02 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.02 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.02 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.02 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.02 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.02 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.02 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.02 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.02 µg/L
Reference Level: ?

Contaminant Details

o-toluidine (14)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.007 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.007 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.007 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.007 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.007 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.007 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.007 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.007 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.007 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.007 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.007 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.007 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.007 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.007 µg/L

Below Reporting Level

5/22/2019

6 years ago

Minimum Reporting Level: 0.007 µg/L
Reference Level: ?

Contaminant Details

oxyfluorfen (14)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.05 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.05 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.05 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.05 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.05 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.05 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.05 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.05 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.05 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.05 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.05 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.05 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.05 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.05 µg/L

Below Reporting Level

5/22/2019

6 years ago

Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L

Contaminant Details

perchlorate (7)

SPRING STREET GRAVE 19984

SPRING STREET GRAVEL PACKED WELL ℹ️

<4 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<4 µg/L

Below Reporting Level

3/2/2005

20 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<4 µg/L

Below Reporting Level

3/2/2005

20 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<4 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<4 µg/L

Below Reporting Level

8/5/2003

22 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<4 µg/L

Below Reporting Level

8/5/2003

22 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<4 µg/L

Below Reporting Level

8/5/2003

22 years ago

Minimum Reporting Level: 4 µg/L
Reference Level: ?

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoro-3-methoxypropanoic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.004 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.004 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoro-4-methoxybutanoic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorobutanesulfonic acid (19)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

0.003 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0 µg/L

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

0.0033 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0003 µg/L

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.09 µg/L

Below Reporting Level

5/27/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.09 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.09 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.09 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.09 µg/L

Below Reporting Level

11/19/2014

10 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.09 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.09 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.09 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.09 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorobutanoic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.005 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.005 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

0.0162 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0112 µg/L

4/10/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

perfluorodecanoic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorododecanoic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoroheptanesulfonic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoroheptanoic acid (19)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.01 µg/L

Below Reporting Level

5/27/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.01 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.01 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.01 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.01 µg/L

Below Reporting Level

11/19/2014

10 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.01 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.01 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.01 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.01 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorohexanesulfonic acid (19)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/27/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/19/2014

10 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorohexanoic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

0.0055 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0025 µg/L

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

0.0033 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0003 µg/L

9/12/2023

23 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

0.0032 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0002 µg/L

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

0.0031 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0001 µg/L

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

0.0031 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0001 µg/L

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorononanoic acid (19)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.004 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.004 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.02 µg/L

Below Reporting Level

5/27/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.02 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.02 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.02 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.02 µg/L

Below Reporting Level

11/19/2014

10 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.02 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.02 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.02 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.02 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluorooctanesulfonic acid (19)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.004 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.004 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.04 µg/L

Below Reporting Level

5/27/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.04 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.04 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.04 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.04 µg/L

Below Reporting Level

11/19/2014

10 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.04 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.04 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.04 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.04 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluorooctanoic acid (19)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

0.0049 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0009 µg/L

9/12/2023

23 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

0.0041 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0001 µg/L

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

0.0043 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0003 µg/L

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.004 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.02 µg/L

Below Reporting Level

5/27/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.02 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.02 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.02 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.02 µg/L

Below Reporting Level

11/19/2014

10 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.02 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.02 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.02 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.02 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoropentanesulfonic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.004 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.004 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.004 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoropentanoic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

0.0067 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0037 µg/L

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

0.0043 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0013 µg/L

9/12/2023

23 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

0.0036 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0006 µg/L

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.003 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorotetradecanoic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.008 µg/L

Below Reporting Level

12/12/2023

20 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.008 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.008 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.008 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.008 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.008 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.008 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.008 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.008 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.008 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.008 µg/L
Reference Level: ?

Contaminant Details

perfluorotridecanoic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.007 µg/L

Below Reporting Level

12/12/2023

20 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.007 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.007 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.007 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.007 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.007 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.007 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.007 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.007 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.007 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.007 µg/L
Reference Level: ?

Contaminant Details

perfluoroundecanoic acid (10)

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.002 µg/L

Below Reporting Level

1/30/2024

19 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.002 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.002 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.002 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.002 µg/L

Below Reporting Level

9/12/2023

23 months ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.002 µg/L

Below Reporting Level

7/5/2023

26 months ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.002 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.002 µg/L

Below Reporting Level

4/25/2023

2 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.002 µg/L

Below Reporting Level

4/10/2023

2 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.002 µg/L

Below Reporting Level

4/10/2023

2 years ago

Minimum Reporting Level: 0.002 µg/L
Reference Level: ?

Contaminant Details

profenofos (14)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.3 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.3 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.3 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.3 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.3 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.3 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.3 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.3 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.3 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.3 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.3 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.3 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.3 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.3 µg/L

Below Reporting Level

5/22/2019

6 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L

Contaminant Details

quinoline (14)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.02 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.02 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.02 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.02 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.02 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.02 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.02 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.02 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.02 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.02 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.02 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.02 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.02 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.02 µg/L

Below Reporting Level

5/22/2019

6 years ago

Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (7)

SPRING STREET GRAVE 19984

SPRING STREET GRAVEL PACKED WELL ℹ️

<1 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<1 µg/L

Below Reporting Level

3/2/2005

20 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<1 µg/L

Below Reporting Level

3/2/2005

20 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<1 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<1 µg/L

Below Reporting Level

8/5/2003

22 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<1 µg/L

Below Reporting Level

8/5/2003

22 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<1 µg/L

Below Reporting Level

8/5/2003

22 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

strontium (19)

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

50 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 49.7 µg/L

5/27/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

33 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 32.7 µg/L

5/27/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

150 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 149.7 µg/L

2/25/2015

10 years ago

DSMRT for Spring Street Well

Distribution System - GW ℹ️

100 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 99.7 µg/L

2/25/2015

10 years ago

DSMRT for Wachusett Street WTP

Distribution System - GW ℹ️

89 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 88.7 µg/L

2/25/2015

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

66 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 65.7 µg/L

2/25/2015

10 years ago

DSMRT for Mason Road Well

Distribution System - GW ℹ️

63 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 62.7 µg/L

2/25/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

62 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 61.7 µg/L

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

62 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 61.7 µg/L

2/24/2015

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

69 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 68.7 µg/L

11/19/2014

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

46 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 45.7 µg/L

11/19/2014

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

110 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 109.7 µg/L

8/20/2014

11 years ago

DSMRT for Spring Street Well

Distribution System - GW ℹ️

110 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 109.7 µg/L

8/20/2014

11 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

95 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 94.7 µg/L

8/20/2014

11 years ago

DSMRT for Mason Road Well

Distribution System - GW ℹ️

69 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 68.7 µg/L

8/20/2014

11 years ago

DSMRT for Wachusett Street WTP

Distribution System - GW ℹ️

67 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 66.7 µg/L

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

63 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 62.7 µg/L

8/20/2014

11 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

57 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 56.7 µg/L

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

51 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 50.7 µg/L

8/20/2014

11 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

tebuconazole (14)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.2 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.2 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.2 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.2 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.2 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.2 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.2 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.2 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/22/2019

6 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L

Contaminant Details

terbacil (7)

SPRING STREET GRAVE 19984

SPRING STREET GRAVEL PACKED WELL ℹ️

<2 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<2 µg/L

Below Reporting Level

3/2/2005

20 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<2 µg/L

Below Reporting Level

3/2/2005

20 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<2 µg/L

Below Reporting Level

3/2/2005

20 years ago

QUINAPOXET RIVER GR 19985

QUINAPOXET RIVER GRAVEL PACKED WELLS (2) ℹ️

<2 µg/L

Below Reporting Level

8/5/2003

22 years ago

MILL STREET TUBULAR 19986

MILL STREET TUBULAR WELL FIELD (29X 2.5) ℹ️

<2 µg/L

Below Reporting Level

8/5/2003

22 years ago

MASON ROAD TUBULAR 19987

MASON ROAD TUBULAR WELL FIELD (15 X 2.5) ℹ️

<2 µg/L

Below Reporting Level

8/5/2003

22 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

total microcystins (16)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.3 µg/L

Below Reporting Level

7/22/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.3 µg/L

Below Reporting Level

7/22/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.3 µg/L

Below Reporting Level

7/8/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.3 µg/L

Below Reporting Level

7/8/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.3 µg/L

Below Reporting Level

6/18/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.3 µg/L

Below Reporting Level

6/18/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.3 µg/L

Below Reporting Level

6/3/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.3 µg/L

Below Reporting Level

6/3/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.3 µg/L

Below Reporting Level

5/20/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.3 µg/L

Below Reporting Level

5/20/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.3 µg/L

Below Reporting Level

5/8/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.3 µg/L

Below Reporting Level

5/6/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.3 µg/L

Below Reporting Level

4/22/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.3 µg/L

Below Reporting Level

4/22/2020

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.3 µg/L

Below Reporting Level

4/8/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.3 µg/L

Below Reporting Level

4/8/2020

5 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

Total Permethrin (14)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.04 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.04 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.04 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.04 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.04 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.04 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.04 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.04 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.04 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.04 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.04 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.04 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.04 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.04 µg/L

Below Reporting Level

5/22/2019

6 years ago

Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L

Contaminant Details

tribufos (14)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.07 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.07 µg/L

Below Reporting Level

2/26/2020

5 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.07 µg/L

Below Reporting Level

12/12/2019

5 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.07 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.07 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.07 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.07 µg/L

Below Reporting Level

11/25/2019

5 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.07 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.07 µg/L

Below Reporting Level

8/27/2019

6 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.07 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.07 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.07 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.07 µg/L

Below Reporting Level

5/22/2019

6 years ago

Entry Point to Dist. System

Salisbury Street Intertie ℹ️

<0.07 µg/L

Below Reporting Level

5/22/2019

6 years ago

Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L

Contaminant Details

vanadium (19)

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/27/2015

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

<0.2 µg/L

Below Reporting Level

5/27/2015

10 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2015

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2015

10 years ago

DSMRT for Spring Street Well

Distribution System - GW ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2015

10 years ago

DSMRT for Wachusett Street WTP

Distribution System - GW ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2015

10 years ago

DSMRT for Mason Road Well

Distribution System - GW ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/24/2015

10 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

11/19/2014

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

<0.2 µg/L

Below Reporting Level

11/19/2014

10 years ago

DSMRT for Intertie

DISTRIBUTION SYSTEM ℹ️

0.21 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.01 µg/L

8/20/2014

11 years ago

Entry Point to Dist. System

Spring Street Well ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Wachusett Street WTP ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Mason Road Well ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

Entry Point to Dist. System

Brattle Intertie ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

DSMRT for Spring Street Well

Distribution System - GW ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

DSMRT for Wachusett Street WTP

Distribution System - GW ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

DSMRT for Mason Road Well

Distribution System - GW ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

Sampling Facilities

Spring Street Well
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Wachusett Street WTP
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Mason Road Well
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Salisbury Street Intertie
Surface Water (SW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Brattle Intertie
Surface Water (SW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

DISTRIBUTION SYSTEM
Multiple Sources (MX)

1 HOLDEN STREETDistribution System (DS)

70 WINDHURST WAYDistribution System (DS)

CHAPIN ROAD TANKDistribution System (DS)

BRATTLE STREET INTERTIEDistribution System (DS)

DSMRT for IntertieMaximum Residence Time (MR)

Distribution System - GW
Ground Water (GW)

DSMRT for Spring Street WellMaximum Residence Time (MR)

DSMRT for Wachusett Street WTPMaximum Residence Time (MR)

DSMRT for Mason Road WellMaximum Residence Time (MR)

SPRING STREET GRAVEL PACKED WELL
Ground Water (GW)

SPRING STREET GRAVE 19984Entry Point to the Distribution System (EP)

QUINAPOXET RIVER GRAVEL PACKED WELLS (2)
Ground Water (GW)

QUINAPOXET RIVER GR 19985Entry Point to the Distribution System (EP)

MILL STREET TUBULAR WELL FIELD (29X 2.5)
Ground Water (GW)

MILL STREET TUBULAR 19986Entry Point to the Distribution System (EP)

MASON ROAD TUBULAR WELL FIELD (15 X 2.5)
Ground Water (GW)

MASON ROAD TUBULAR 19987Entry Point to the Distribution System (EP)

FAQ

Is Holden DPW Water Division tap water safe to drink?

When was Holden DPW Water Division last tested for water contamination?

The latest water samples were taken on January 30th, 2024.