City of Arvada (CO) Water Quality

City of Arvada is a large public water system in EPA region 8 that provides tap water for the 80002 - 80005, 80030, 80403 zip codes. It has 5 facilities where the water supply was tested for 85 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 45.8 µg/L. The maximum reported level of Manganese was 29.5 µg/L. There were 2 contamintants found in the City of Arvada water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

Jump To Contaminant
1,1-dichloroethane (6)
1,2,3-trichloropropane (6)
1,3-butadiene (6)
1,4-dioxane (6)
1-butanol (7)
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (8)
17-alpha-ethynylestradiol (6)
17-beta-estradiol (6)
1H,1H,2H,2H-perfluorodecane sulfonic acid (8)
1H,1H,2H,2H-perfluorohexane sulfonic acid (8)
1H,1H,2H,2H-perfluorooctane sulfonic acid (8)
2,4-dinitrotoluene (8)
2,6-dinitrotoluene (8)
2-methoxyethanol (7)
2-propen-1-ol (Allyl Alcohol) (7)
4,4'-dichloro dichlorophenyl ethylene (DDE) (8)
4,8-dioxa-3H-perfluorononanoic acid (8)
4-androstene-3,17-dione (6)
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (8)
alpha-hexachlorocyclohexane (7)
anatoxin-a (14)
bromochloromethane (Halon 1011) (6)
bromomethane (6)
Butylated Hydroxyanisole (6)
chlorate (12)
chlorodifluoromethane (HCFC-22) (6)
chloromethane (6)
chlorpyrifos (7)
chromium (12)
chromium-6 (12)
cobalt (12)
cylindrospermopsin (14)
dimethipin (7)
dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (8)
equilin (6)
estriol (6)
estrone (6)
ethoprop (7)
Germanium (7)
HAA5 (five regulated haloacetic acids) (32)
HAA6Br (six brominated haloacetic acids) (32)
HAA9 (nine haloacetic acids) (32)
hexafluoropropylene oxide dimer acid (GenX) (8)
lithium (8)
Manganese (7)
methyl-tertiary-butyl-ether (MTBE) (8)
molinate (8)
molybdenum (12)
N-ethyl perfluorooctanesulfonamidoacetic acid (8)
N-methyl perfluorooctanesulfonamidoacetic acid (8)
nitrobenzene (8)
nonafluoro-3,6-dioxaheptanoic acid (8)
o-toluidine (6)
oxyfluorfen (7)
perchlorate (8)
perfluoro(2-ethoxyethane)sulfonic acid (8)
perfluoro-3-methoxypropanoic acid (8)
perfluoro-4-methoxybutanoic acid (8)
perfluorobutanesulfonic acid (14)
perfluorobutanoic acid (8)
perfluorodecanoic acid (8)
perfluorododecanoic acid (8)
perfluoroheptanesulfonic acid (8)
perfluoroheptanoic acid (14)
perfluorohexanesulfonic acid (14)
perfluorohexanoic acid (8)
perfluorononanoic acid (14)
perfluorooctanesulfonic acid (14)
perfluorooctanoic acid (14)
perfluoropentanesulfonic acid (8)
perfluoropentanoic acid (8)
perfluorotetradecanoic acid (8)
perfluorotridecanoic acid (8)
perfluoroundecanoic acid (8)
profenofos (7)
quinoline (6)
s-ethyl-dipropylthiocarbamate (EPTC) (8)
strontium (12)
tebuconazole (7)
terbacil (8)
testosterone (6)
total microcystins (14)
Total Permethrin (7)
tribufos (7)
vanadium (12)

1,1-dichloroethane (6)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

1,2,3-trichloropropane (6)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

1,3-butadiene (6)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.1 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.1 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.1 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.1 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.1 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.1 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

1,4-dioxane (6)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.07 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.07 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.07 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.07 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.07 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.07 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

1-butanol (7)

Entry Point

Ralston Finished Water ℹ️

<2 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<2 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Ralston Finished Water ℹ️

<2 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<2 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<2 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<2 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<2 µg/L

Below Reporting Level

2/6/2018

7 years ago

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

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

17-alpha-ethynylestradiol (6)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0009 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0009 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0009 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.0009 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0009 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.0009 µg/L

Below Reporting Level

4/21/2014

11 years ago

Minimum Reporting Level: 0.0009 µg/L
Reference Level: ?

Contaminant Details

17-beta-estradiol (6)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0004 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0004 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0004 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.0004 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0004 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.0004 µg/L

Below Reporting Level

4/21/2014

11 years ago

Minimum Reporting Level: 0.0004 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

2,4-dinitrotoluene (8)

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<2 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<2 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<2 µg/L

Below Reporting Level

5/29/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<2 µg/L

Below Reporting Level

5/21/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<2 µg/L

Below Reporting Level

2/25/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<2 µg/L

Below Reporting Level

1/23/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<2 µg/L

Below Reporting Level

10/11/2002

23 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<2 µg/L

Below Reporting Level

10/7/2002

23 years ago

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

Contaminant Details

2,6-dinitrotoluene (8)

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<2 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<2 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<2 µg/L

Below Reporting Level

5/29/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<2 µg/L

Below Reporting Level

5/21/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<2 µg/L

Below Reporting Level

2/25/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<2 µg/L

Below Reporting Level

1/23/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<2 µg/L

Below Reporting Level

10/11/2002

23 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<2 µg/L

Below Reporting Level

10/7/2002

23 years ago

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

Contaminant Details

2-methoxyethanol (7)

Entry Point

Ralston Finished Water ℹ️

<0.4 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.4 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Ralston Finished Water ℹ️

<0.4 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.4 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.4 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.4 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.4 µg/L

Below Reporting Level

2/6/2018

7 years ago

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

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (7)

Entry Point

Ralston Finished Water ℹ️

<0.5 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.5 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Ralston Finished Water ℹ️

<0.5 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.5 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.5 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.5 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.5 µg/L

Below Reporting Level

2/6/2018

7 years ago

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

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (8)

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<0.8 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<0.8 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<0.8 µg/L

Below Reporting Level

5/29/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<0.8 µg/L

Below Reporting Level

5/21/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<0.8 µg/L

Below Reporting Level

2/25/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<0.8 µg/L

Below Reporting Level

1/23/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<0.8 µg/L

Below Reporting Level

10/11/2002

23 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<0.8 µg/L

Below Reporting Level

10/7/2002

23 years ago

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

Contaminant Details

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

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

4-androstene-3,17-dione (6)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0003 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0003 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0003 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.0003 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0003 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.0003 µg/L

Below Reporting Level

4/21/2014

11 years ago

Minimum Reporting Level: 0.0003 µg/L
Reference Level: ?

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.002 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.002 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.002 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.002 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.002 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.002 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.002 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.002 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

alpha-hexachlorocyclohexane (7)

Entry Point

Ralston Finished Water ℹ️

<0.01 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.01 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Ralston Finished Water ℹ️

<0.01 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.01 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.01 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.01 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.01 µg/L

Below Reporting Level

2/6/2018

7 years ago

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

Contaminant Details

anatoxin-a (14)

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

9/18/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

9/18/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

9/4/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

9/4/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

8/21/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

8/21/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

6/19/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

6/19/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

6/5/2018

7 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (6)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.06 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.06 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.06 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.06 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.06 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.06 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

bromomethane (6)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

Butylated Hydroxyanisole (6)

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

2/4/2019

6 years ago

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

2/6/2018

7 years ago

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

Contaminant Details

chlorate (12)

5035 W 65th Ave

Distribution System ℹ️

220 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 200 µg/L

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

200 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 180 µg/L

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

170 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 150 µg/L

10/15/2014

11 years ago

5035 W 65th Ave

Distribution System ℹ️

160 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 140 µg/L

10/15/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

230 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 210 µg/L

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

190 µg/L

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

7/14/2014

11 years ago

5035 W 65th Ave

Distribution System ℹ️

170 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 150 µg/L

7/14/2014

11 years ago

53rd Ave and Marshall St

Distribution System ℹ️

170 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 150 µg/L

7/14/2014

11 years ago

5035 W 65th Ave

Distribution System ℹ️

350 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 330 µg/L

5/5/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

160 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 140 µg/L

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

2400 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 2380 µg/L

4/21/2014

11 years ago

53rd Ave and Marshall St

Distribution System ℹ️

660 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 640 µg/L

4/21/2014

11 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (6)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.08 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.08 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.08 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.08 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.08 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.08 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

chloromethane (6)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

chlorpyrifos (7)

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

2/6/2018

7 years ago

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

Contaminant Details

chromium (12)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

0.45 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.25 µg/L

1/5/2015

10 years ago

5035 W 65th Ave

Distribution System ℹ️

0.27 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.07 µg/L

1/5/2015

10 years ago

5035 W 65th Ave

Distribution System ℹ️

0.41 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.21 µg/L

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

0.28 µg/L

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

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

7/14/2014

11 years ago

5035 W 65th Ave

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

7/14/2014

11 years ago

53rd Ave and Marshall St

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

7/14/2014

11 years ago

5035 W 65th Ave

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

5/5/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

4/21/2014

11 years ago

53rd Ave and Marshall St

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

chromium-6 (12)

5035 W 65th Ave

Distribution System ℹ️

0.082 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.052 µg/L

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

0.08 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.05 µg/L

1/5/2015

10 years ago

5035 W 65th Ave

Distribution System ℹ️

0.084 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.054 µg/L

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

0.081 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.051 µg/L

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

0.12 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.09 µg/L

7/14/2014

11 years ago

5035 W 65th Ave

Distribution System ℹ️

0.12 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.09 µg/L

7/14/2014

11 years ago

53rd Ave and Marshall St

Distribution System ℹ️

0.12 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.09 µg/L

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

7/14/2014

11 years ago

5035 W 65th Ave

Distribution System ℹ️

0.079 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.049 µg/L

5/5/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

0.096 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.066 µg/L

4/28/2014

11 years ago

53rd Ave and Marshall St

Distribution System ℹ️

0.094 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.064 µg/L

4/21/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

cobalt (12)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<1 µg/L

Below Reporting Level

1/5/2015

10 years ago

5035 W 65th Ave

Distribution System ℹ️

<1 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<1 µg/L

Below Reporting Level

10/15/2014

11 years ago

5035 W 65th Ave

Distribution System ℹ️

<1 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<1 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<1 µg/L

Below Reporting Level

7/14/2014

11 years ago

5035 W 65th Ave

Distribution System ℹ️

<1 µg/L

Below Reporting Level

7/14/2014

11 years ago

53rd Ave and Marshall St

Distribution System ℹ️

<1 µg/L

Below Reporting Level

7/14/2014

11 years ago

5035 W 65th Ave

Distribution System ℹ️

<1 µg/L

Below Reporting Level

5/5/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<1 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<1 µg/L

Below Reporting Level

4/21/2014

11 years ago

53rd Ave and Marshall St

Distribution System ℹ️

<1 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

cylindrospermopsin (14)

Entry Point

Ralston Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

9/18/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

9/18/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

9/4/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

9/4/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

8/21/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

8/21/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

7/17/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

7/17/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

6/19/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

6/19/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

6/5/2018

7 years ago

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

Contaminant Details

dimethipin (7)

Entry Point

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

2/6/2018

7 years ago

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

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (8)

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<1 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<1 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<1 µg/L

Below Reporting Level

5/29/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<1 µg/L

Below Reporting Level

5/21/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<1 µg/L

Below Reporting Level

2/25/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<1 µg/L

Below Reporting Level

1/23/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<1 µg/L

Below Reporting Level

10/11/2002

23 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<1 µg/L

Below Reporting Level

10/7/2002

23 years ago

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

Contaminant Details

equilin (6)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

estriol (6)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0008 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0008 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0008 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.0008 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0008 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.0008 µg/L

Below Reporting Level

4/21/2014

11 years ago

Minimum Reporting Level: 0.0008 µg/L
Reference Level: ?

Contaminant Details

estrone (6)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.002 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.002 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.002 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.002 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.002 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.002 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

ethoprop (7)

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

2/6/2018

7 years ago

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

Contaminant Details

Germanium (7)

Entry Point

Ralston Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Ralston Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

2/6/2018

7 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (32)

B - Sheridan

Distribution System ℹ️

45.8 µg/L

⚠️ Exceeds 50% of Reference Level

11/8/2018

6 years ago

F - W. 83rd Pl.

Distribution System ℹ️

42.8 µg/L

⚠️ Exceeds 50% of Reference Level

11/8/2018

6 years ago

A - Vance Dr.

Distribution System ℹ️

41.8 µg/L

⚠️ Exceeds 50% of Reference Level

11/8/2018

6 years ago

D - W. 56th Ave.

Distribution System ℹ️

40 µg/L

⚠️ Exceeds 50% of Reference Level

11/8/2018

6 years ago

E - Marshall St.

Distribution System ℹ️

38.1 µg/L

⚠️ Exceeds 50% of Reference Level

11/8/2018

6 years ago

H - 76th

Distribution System ℹ️

35.3 µg/L

⚠️ Exceeds 50% of Reference Level

11/8/2018

6 years ago

G - 5357 Lynn

Distribution System ℹ️

32.5 µg/L

⚠️ Exceeds 50% of Reference Level

11/8/2018

6 years ago

C - Swadley St.

Distribution System ℹ️

30.9 µg/L

⚠️ Exceeds 50% of Reference Level

11/8/2018

6 years ago

D - W. 56th Ave.

Distribution System ℹ️

41.1 µg/L

⚠️ Exceeds 50% of Reference Level

8/9/2018

7 years ago

B - Sheridan

Distribution System ℹ️

39.5 µg/L

⚠️ Exceeds 50% of Reference Level

8/9/2018

7 years ago

E - Marshall St.

Distribution System ℹ️

34.3 µg/L

⚠️ Exceeds 50% of Reference Level

8/9/2018

7 years ago

C - Swadley St.

Distribution System ℹ️

30.5 µg/L

⚠️ Exceeds 50% of Reference Level

8/9/2018

7 years ago

F - W. 83rd Pl.

Distribution System ℹ️

25.9 µg/L

Meets Reporting Threshold

8/9/2018

7 years ago

G - 5357 Lynn

Distribution System ℹ️

25.9 µg/L

Meets Reporting Threshold

8/9/2018

7 years ago

A - Vance Dr.

Distribution System ℹ️

24.326 µg/L

Meets Reporting Threshold

8/9/2018

7 years ago

H - 76th

Distribution System ℹ️

20.352 µg/L

Meets Reporting Threshold

8/9/2018

7 years ago

D - W. 56th Ave.

Distribution System ℹ️

23.052 µg/L

Meets Reporting Threshold

5/10/2018

7 years ago

B - Sheridan

Distribution System ℹ️

22.096 µg/L

Meets Reporting Threshold

5/10/2018

7 years ago

E - Marshall St.

Distribution System ℹ️

18.43 µg/L

Meets Reporting Threshold

5/10/2018

7 years ago

C - Swadley St.

Distribution System ℹ️

16 µg/L

Meets Reporting Threshold

5/10/2018

7 years ago

A - Vance Dr.

Distribution System ℹ️

14.57 µg/L

Meets Reporting Threshold

5/10/2018

7 years ago

G - 5357 Lynn

Distribution System ℹ️

11.984 µg/L

Meets Reporting Threshold

5/10/2018

7 years ago

F - W. 83rd Pl.

Distribution System ℹ️

11.39 µg/L

Meets Reporting Threshold

5/10/2018

7 years ago

H - 76th

Distribution System ℹ️

10.535 µg/L

Meets Reporting Threshold

5/10/2018

7 years ago

B - Sheridan

Distribution System ℹ️

25 µg/L

Meets Reporting Threshold

2/8/2018

7 years ago

E - Marshall St.

Distribution System ℹ️

24.8 µg/L

Meets Reporting Threshold

2/8/2018

7 years ago

D - W. 56th Ave.

Distribution System ℹ️

24.64 µg/L

Meets Reporting Threshold

2/8/2018

7 years ago

A - Vance Dr.

Distribution System ℹ️

20.34 µg/L

Meets Reporting Threshold

2/8/2018

7 years ago

H - 76th

Distribution System ℹ️

19.8 µg/L

Meets Reporting Threshold

2/8/2018

7 years ago

G - 5357 Lynn

Distribution System ℹ️

19.37 µg/L

Meets Reporting Threshold

2/8/2018

7 years ago

C - Swadley St.

Distribution System ℹ️

18.23 µg/L

Meets Reporting Threshold

2/8/2018

7 years ago

F - W. 83rd Pl.

Distribution System ℹ️

17.46 µg/L

Meets Reporting Threshold

2/8/2018

7 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (32)

A - Vance Dr.

Distribution System ℹ️

3.11 µg/L

11/8/2018

6 years ago

B - Sheridan

Distribution System ℹ️

2.92 µg/L

11/8/2018

6 years ago

H - 76th

Distribution System ℹ️

2.63 µg/L

11/8/2018

6 years ago

F - W. 83rd Pl.

Distribution System ℹ️

2.49 µg/L

11/8/2018

6 years ago

D - W. 56th Ave.

Distribution System ℹ️

2.41 µg/L

11/8/2018

6 years ago

E - Marshall St.

Distribution System ℹ️

2.26 µg/L

11/8/2018

6 years ago

G - 5357 Lynn

Distribution System ℹ️

2.23 µg/L

11/8/2018

6 years ago

C - Swadley St.

Distribution System ℹ️

1.919 µg/L

11/8/2018

6 years ago

A - Vance Dr.

Distribution System ℹ️

4.17 µg/L

8/9/2018

7 years ago

H - 76th

Distribution System ℹ️

4.086 µg/L

8/9/2018

7 years ago

D - W. 56th Ave.

Distribution System ℹ️

3.204 µg/L

8/9/2018

7 years ago

B - Sheridan

Distribution System ℹ️

3.156 µg/L

8/9/2018

7 years ago

E - Marshall St.

Distribution System ℹ️

3.092 µg/L

8/9/2018

7 years ago

G - 5357 Lynn

Distribution System ℹ️

2.471 µg/L

8/9/2018

7 years ago

C - Swadley St.

Distribution System ℹ️

2.45 µg/L

8/9/2018

7 years ago

F - W. 83rd Pl.

Distribution System ℹ️

2.284 µg/L

8/9/2018

7 years ago

G - 5357 Lynn

Distribution System ℹ️

9.434 µg/L

5/10/2018

7 years ago

A - Vance Dr.

Distribution System ℹ️

9.28 µg/L

5/10/2018

7 years ago

H - 76th

Distribution System ℹ️

9.165 µg/L

5/10/2018

7 years ago

D - W. 56th Ave.

Distribution System ℹ️

6.308 µg/L

5/10/2018

7 years ago

B - Sheridan

Distribution System ℹ️

5.625 µg/L

5/10/2018

7 years ago

C - Swadley St.

Distribution System ℹ️

3.26 µg/L

5/10/2018

7 years ago

E - Marshall St.

Distribution System ℹ️

3.26 µg/L

5/10/2018

7 years ago

F - W. 83rd Pl.

Distribution System ℹ️

2.36 µg/L

5/10/2018

7 years ago

E - Marshall St.

Distribution System ℹ️

4.957 µg/L

2/8/2018

7 years ago

B - Sheridan

Distribution System ℹ️

4.803 µg/L

2/8/2018

7 years ago

D - W. 56th Ave.

Distribution System ℹ️

4.791 µg/L

2/8/2018

7 years ago

A - Vance Dr.

Distribution System ℹ️

4.398 µg/L

2/8/2018

7 years ago

H - 76th

Distribution System ℹ️

4 µg/L

2/8/2018

7 years ago

G - 5357 Lynn

Distribution System ℹ️

3.945 µg/L

2/8/2018

7 years ago

C - Swadley St.

Distribution System ℹ️

3.867 µg/L

2/8/2018

7 years ago

F - W. 83rd Pl.

Distribution System ℹ️

3.592 µg/L

2/8/2018

7 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (32)

B - Sheridan

Distribution System ℹ️

48.72 µg/L

11/8/2018

6 years ago

F - W. 83rd Pl.

Distribution System ℹ️

45.29 µg/L

11/8/2018

6 years ago

A - Vance Dr.

Distribution System ℹ️

44.91 µg/L

11/8/2018

6 years ago

D - W. 56th Ave.

Distribution System ℹ️

42.41 µg/L

11/8/2018

6 years ago

E - Marshall St.

Distribution System ℹ️

40.36 µg/L

11/8/2018

6 years ago

H - 76th

Distribution System ℹ️

37.93 µg/L

11/8/2018

6 years ago

G - 5357 Lynn

Distribution System ℹ️

34.73 µg/L

11/8/2018

6 years ago

C - Swadley St.

Distribution System ℹ️

32.819 µg/L

11/8/2018

6 years ago

D - W. 56th Ave.

Distribution System ℹ️

44.304 µg/L

8/9/2018

7 years ago

B - Sheridan

Distribution System ℹ️

42.656 µg/L

8/9/2018

7 years ago

E - Marshall St.

Distribution System ℹ️

37.392 µg/L

8/9/2018

7 years ago

C - Swadley St.

Distribution System ℹ️

32.95 µg/L

8/9/2018

7 years ago

G - 5357 Lynn

Distribution System ℹ️

28.371 µg/L

8/9/2018

7 years ago

F - W. 83rd Pl.

Distribution System ℹ️

28.184 µg/L

8/9/2018

7 years ago

A - Vance Dr.

Distribution System ℹ️

28.17 µg/L

8/9/2018

7 years ago

H - 76th

Distribution System ℹ️

24.106 µg/L

8/9/2018

7 years ago

D - W. 56th Ave.

Distribution System ℹ️

29.008 µg/L

5/10/2018

7 years ago

B - Sheridan

Distribution System ℹ️

27.415 µg/L

5/10/2018

7 years ago

A - Vance Dr.

Distribution System ℹ️

22.43 µg/L

5/10/2018

7 years ago

E - Marshall St.

Distribution System ℹ️

21.69 µg/L

5/10/2018

7 years ago

G - 5357 Lynn

Distribution System ℹ️

19.704 µg/L

5/10/2018

7 years ago

C - Swadley St.

Distribution System ℹ️

19.26 µg/L

5/10/2018

7 years ago

H - 76th

Distribution System ℹ️

17.965 µg/L

5/10/2018

7 years ago

F - W. 83rd Pl.

Distribution System ℹ️

13.75 µg/L

5/10/2018

7 years ago

B - Sheridan

Distribution System ℹ️

29.803 µg/L

2/8/2018

7 years ago

E - Marshall St.

Distribution System ℹ️

29.757 µg/L

2/8/2018

7 years ago

D - W. 56th Ave.

Distribution System ℹ️

29.431 µg/L

2/8/2018

7 years ago

A - Vance Dr.

Distribution System ℹ️

24.738 µg/L

2/8/2018

7 years ago

H - 76th

Distribution System ℹ️

23.8 µg/L

2/8/2018

7 years ago

G - 5357 Lynn

Distribution System ℹ️

23.315 µg/L

2/8/2018

7 years ago

C - Swadley St.

Distribution System ℹ️

22.097 µg/L

2/8/2018

7 years ago

F - W. 83rd Pl.

Distribution System ℹ️

21.052 µg/L

2/8/2018

7 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

lithium (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

9.6 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 0.6 µg/L

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<9 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<9 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<9 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<9 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<9 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<9 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<9 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

Manganese (7)

Entry Point

Ralston Finished Water ℹ️

29.5 µg/L

Meets Reporting Threshold

11/6/2018

6 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

3.85 µg/L

Meets Reporting Threshold

11/6/2018

6 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

2.94 µg/L

Meets Reporting Threshold

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

2.08 µg/L

Meets Reporting Threshold

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

8.84 µg/L

Meets Reporting Threshold

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

0.676 µg/L

Meets Reporting Threshold

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

1.02 µg/L

Meets Reporting Threshold

2/6/2018

7 years ago

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

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (8)

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<5 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<5 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<5 µg/L

Below Reporting Level

5/29/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<5 µg/L

Below Reporting Level

5/21/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<5 µg/L

Below Reporting Level

2/25/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<5 µg/L

Below Reporting Level

1/23/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<5 µg/L

Below Reporting Level

10/11/2002

23 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<5 µg/L

Below Reporting Level

10/7/2002

23 years ago

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

Contaminant Details

molinate (8)

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<0.9 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<0.9 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<0.9 µg/L

Below Reporting Level

5/29/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<0.9 µg/L

Below Reporting Level

5/21/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<0.9 µg/L

Below Reporting Level

2/25/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<0.9 µg/L

Below Reporting Level

1/23/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<0.9 µg/L

Below Reporting Level

10/11/2002

23 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<0.9 µg/L

Below Reporting Level

10/7/2002

23 years ago

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

Contaminant Details

molybdenum (12)

5035 W 65th Ave

Distribution System ℹ️

1.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.7 µg/L

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.6 µg/L

1/5/2015

10 years ago

5035 W 65th Ave

Distribution System ℹ️

1.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.9 µg/L

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

1.8 µg/L

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

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

2.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.5 µg/L

7/14/2014

11 years ago

5035 W 65th Ave

Distribution System ℹ️

2.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.5 µg/L

7/14/2014

11 years ago

53rd Ave and Marshall St

Distribution System ℹ️

2.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.5 µg/L

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

1.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.9 µg/L

7/14/2014

11 years ago

5035 W 65th Ave

Distribution System ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.5 µg/L

5/5/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

2.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.1 µg/L

4/28/2014

11 years ago

53rd Ave and Marshall St

Distribution System ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.6 µg/L

4/21/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

1.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.2 µg/L

4/21/2014

11 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.006 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.006 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.006 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.006 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.006 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.006 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.006 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.006 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

nitrobenzene (8)

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<10 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<10 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<10 µg/L

Below Reporting Level

5/29/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<10 µg/L

Below Reporting Level

5/21/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<10 µg/L

Below Reporting Level

2/25/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<10 µg/L

Below Reporting Level

1/23/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<10 µg/L

Below Reporting Level

10/11/2002

23 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<10 µg/L

Below Reporting Level

10/7/2002

23 years ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.02 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.02 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.02 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.02 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

o-toluidine (6)

Entry Point

Ralston Finished Water ℹ️

<0.007 µg/L

Below Reporting Level

2/4/2019

6 years ago

Entry Point

Ralston Finished Water ℹ️

<0.007 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.007 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.007 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.007 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.007 µg/L

Below Reporting Level

2/6/2018

7 years ago

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

Contaminant Details

oxyfluorfen (7)

Entry Point

Ralston Finished Water ℹ️

<0.05 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.05 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Ralston Finished Water ℹ️

<0.05 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.05 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.05 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.05 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.05 µg/L

Below Reporting Level

2/6/2018

7 years ago

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

Contaminant Details

perchlorate (8)

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<4 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<4 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<4 µg/L

Below Reporting Level

5/29/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<4 µg/L

Below Reporting Level

5/21/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<4 µg/L

Below Reporting Level

2/25/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<4 µg/L

Below Reporting Level

1/23/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<4 µg/L

Below Reporting Level

10/11/2002

23 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<4 µg/L

Below Reporting Level

10/7/2002

23 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

perfluorobutanesulfonic acid (14)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2023

2 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.09 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

perfluorobutanoic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.005 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

perfluorodecanoic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

perfluorododecanoic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

perfluoroheptanesulfonic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

perfluoroheptanoic acid (14)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2023

2 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.01 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.01 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.01 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.01 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.01 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.01 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (14)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2023

2 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.03 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

perfluorohexanoic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

perfluorononanoic acid (14)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

3/6/2023

2 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (14)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

3/6/2023

2 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.04 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.04 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.04 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.04 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.04 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.04 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

perfluorooctanoic acid (14)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

3/6/2023

2 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.004 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.004 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

perfluoropentanoic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

perfluorotetradecanoic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.008 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.008 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.008 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.008 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.008 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.008 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.008 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.008 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

perfluorotridecanoic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.007 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.007 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.007 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.007 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.007 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.007 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.007 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.007 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

perfluoroundecanoic acid (8)

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.002 µg/L

Below Reporting Level

2/26/2024

20 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.002 µg/L

Below Reporting Level

12/4/2023

23 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.002 µg/L

Below Reporting Level

9/5/2023

26 months ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.002 µg/L

Below Reporting Level

9/5/2023

26 months ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.002 µg/L

Below Reporting Level

6/5/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.002 µg/L

Below Reporting Level

6/5/2023

2 years ago

Ralston Entry Point

Ralston Finished Water ℹ️

<0.002 µg/L

Below Reporting Level

3/7/2023

2 years ago

Arvada Entry Point @ Westwoods

Arvada Finished Water @ Westwoods ℹ️

<0.002 µg/L

Below Reporting Level

3/6/2023

2 years ago

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

Contaminant Details

profenofos (7)

Entry Point

Ralston Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Ralston Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

2/6/2018

7 years ago

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

Contaminant Details

quinoline (6)

Entry Point

Ralston Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

2/4/2019

6 years ago

Entry Point

Ralston Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.02 µg/L

Below Reporting Level

2/6/2018

7 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (8)

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<1 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<1 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<1 µg/L

Below Reporting Level

5/29/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<1 µg/L

Below Reporting Level

5/21/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<1 µg/L

Below Reporting Level

2/25/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<1 µg/L

Below Reporting Level

1/23/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<1 µg/L

Below Reporting Level

10/11/2002

23 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<1 µg/L

Below Reporting Level

10/7/2002

23 years ago

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

Contaminant Details

strontium (12)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

78 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 77.7 µg/L

1/5/2015

10 years ago

5035 W 65th Ave

Distribution System ℹ️

74 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 73.7 µg/L

1/5/2015

10 years ago

5035 W 65th Ave

Distribution System ℹ️

79 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 78.7 µg/L

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

75 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 74.7 µg/L

10/15/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

150 µg/L

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

7/14/2014

11 years ago

5035 W 65th Ave

Distribution System ℹ️

120 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 119.7 µg/L

7/14/2014

11 years ago

53rd Ave and Marshall St

Distribution System ℹ️

120 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 119.7 µg/L

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

110 µg/L

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

7/14/2014

11 years ago

5035 W 65th Ave

Distribution System ℹ️

93 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 92.7 µg/L

5/5/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

97 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 96.7 µg/L

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

130 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 129.7 µg/L

4/21/2014

11 years ago

53rd Ave and Marshall St

Distribution System ℹ️

100 µg/L

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

4/21/2014

11 years ago

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

Contaminant Details

tebuconazole (7)

Entry Point

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

2/6/2018

7 years ago

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

Contaminant Details

terbacil (8)

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<2 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<2 µg/L

Below Reporting Level

7/28/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<2 µg/L

Below Reporting Level

5/29/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<2 µg/L

Below Reporting Level

5/21/2003

22 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<2 µg/L

Below Reporting Level

2/25/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<2 µg/L

Below Reporting Level

1/23/2003

22 years ago

AWTP FINISHED CL2

Arvada Blunn Finished Water ℹ️

<2 µg/L

Below Reporting Level

10/11/2002

23 years ago

RWTP FINISHED CL2

Ralston Finished Water ℹ️

<2 µg/L

Below Reporting Level

10/7/2002

23 years ago

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

Contaminant Details

testosterone (6)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0001 µg/L

Below Reporting Level

1/5/2015

10 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0001 µg/L

Below Reporting Level

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0001 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.0001 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.0001 µg/L

Below Reporting Level

4/28/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.0001 µg/L

Below Reporting Level

4/21/2014

11 years ago

Minimum Reporting Level: 0.0001 µg/L
Reference Level: ?

Contaminant Details

total microcystins (14)

Entry Point

Ralston Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

9/18/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

9/18/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

9/4/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

9/4/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

8/21/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

8/21/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

7/17/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

7/17/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

6/19/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

6/19/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

6/12/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.3 µg/L

Below Reporting Level

6/5/2018

7 years ago

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

Contaminant Details

Total Permethrin (7)

Entry Point

Ralston Finished Water ℹ️

<0.04 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.04 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Ralston Finished Water ℹ️

<0.04 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.04 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.04 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.04 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.04 µg/L

Below Reporting Level

2/6/2018

7 years ago

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

Contaminant Details

tribufos (7)

Entry Point

Ralston Finished Water ℹ️

<0.07 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.07 µg/L

Below Reporting Level

11/6/2018

6 years ago

Entry Point

Ralston Finished Water ℹ️

<0.07 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.07 µg/L

Below Reporting Level

8/7/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.07 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Arvada Blunn Finished Water ℹ️

<0.07 µg/L

Below Reporting Level

5/10/2018

7 years ago

Entry Point

Ralston Finished Water ℹ️

<0.07 µg/L

Below Reporting Level

2/6/2018

7 years ago

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

Contaminant Details

vanadium (12)

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

1/5/2015

10 years ago

5035 W 65th Ave

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

1/5/2015

10 years ago

5035 W 65th Ave

Distribution System ℹ️

0.28 µg/L

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

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

0.27 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.07 µg/L

10/15/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

0.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.1 µg/L

7/14/2014

11 years ago

53rd Ave and Marshall St

Distribution System ℹ️

0.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.1 µg/L

7/14/2014

11 years ago

5035 W 65th Ave

Distribution System ℹ️

0.29 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.09 µg/L

7/14/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

7/14/2014

11 years ago

5035 W 65th Ave

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

5/5/2014

11 years ago

EPTDS from Ralston WTP

Ralston Finished Water ℹ️

0.21 µg/L

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

4/28/2014

11 years ago

53rd Ave and Marshall St

Distribution System ℹ️

0.21 µg/L

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

4/21/2014

11 years ago

EPTDS from Arvada Blunn WTP

Arvada Blunn Finished Water ℹ️

<0.2 µg/L

Below Reporting Level

4/21/2014

11 years ago

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

Contaminant Details

Sampling Facilities

Ralston Finished Water
Surface Water (SW)

Ralston Entry PointEntry Point to the Distribution System (EP)

Arvada Finished Water @ Westwoods
Surface Water (SW)

Arvada Entry Point @ WestwoodsEntry Point to the Distribution System (EP)

Ralston Finished Water
Surface Water (SW)

Entry PointEntry Point to the Distribution System (EP)

EPTDS from Ralston WTPEntry Point to the Distribution System (EP)

RWTP FINISHED CL2Entry Point to the Distribution System (EP)

Arvada Blunn Finished Water
Surface Water (SW)

Entry PointEntry Point to the Distribution System (EP)

EPTDS from Arvada Blunn WTPEntry Point to the Distribution System (EP)

AWTP FINISHED CL2Entry Point to the Distribution System (EP)

Distribution System
Surface Water (SW)

A - Vance Dr.Distribution System (DS)

B - SheridanDistribution System (DS)

C - Swadley St.Distribution System (DS)

D - W. 56th Ave.Distribution System (DS)

E - Marshall St.Distribution System (DS)

F - W. 83rd Pl.Distribution System (DS)

G - 5357 LynnDistribution System (DS)

H - 76thDistribution System (DS)

5035 W 65th AveMaximum Residence Time (MR)

53rd Ave and Marshall StMaximum Residence Time (MR)

MAXRES1Maximum Residence Time (MR)

MAXRES2Maximum Residence Time (MR)

FAQ

Is City of Arvada tap water safe to drink?

When was City of Arvada last tested for water contamination?

The latest water samples were taken on February 26th, 2024.