Berwyn (IL) Water Quality

Berwyn is a large public water system in EPA region 5 that provides tap water for the 60402 zip codes. It has 5 facilities where the water supply was tested for 68 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 19.7 µg/L. The maximum reported level of Manganese was 0.6 µg/L. There were 2 contamintants found in the Berwyn water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

Jump To Contaminant
1,1-dichloroethane (4)
1,2,3-trichloropropane (4)
1,3-butadiene (4)
1,4-dioxane (4)
1-butanol (8)
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (2)
1H,1H,2H,2H-perfluorodecane sulfonic acid (2)
1H,1H,2H,2H-perfluorohexane sulfonic acid (2)
1H,1H,2H,2H-perfluorooctane sulfonic acid (2)
2-methoxyethanol (8)
2-propen-1-ol (Allyl Alcohol) (8)
4,8-dioxa-3H-perfluorononanoic acid (2)
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (2)
alpha-hexachlorocyclohexane (8)
anatoxin-a (16)
bromochloromethane (Halon 1011) (4)
bromomethane (4)
Butylated Hydroxyanisole (8)
chlorate (8)
chlorodifluoromethane (HCFC-22) (4)
chloromethane (4)
chlorpyrifos (8)
chromium (8)
chromium-6 (8)
cobalt (8)
cylindrospermopsin (16)
dimethipin (8)
ethoprop (8)
Germanium (8)
HAA5 (five regulated haloacetic acids) (16)
HAA6Br (six brominated haloacetic acids) (12)
HAA9 (nine haloacetic acids) (12)
hexafluoropropylene oxide dimer acid (GenX) (2)
lithium (2)
Manganese (8)
molybdenum (8)
N-ethyl perfluorooctanesulfonamidoacetic acid (2)
N-methyl perfluorooctanesulfonamidoacetic acid (2)
nonafluoro-3,6-dioxaheptanoic acid (2)
o-toluidine (8)
oxyfluorfen (8)
perfluoro(2-ethoxyethane)sulfonic acid (2)
perfluoro-3-methoxypropanoic acid (2)
perfluoro-4-methoxybutanoic acid (2)
perfluorobutanesulfonic acid (6)
perfluorobutanoic acid (2)
perfluorodecanoic acid (2)
perfluorododecanoic acid (2)
perfluoroheptanesulfonic acid (2)
perfluoroheptanoic acid (6)
perfluorohexanesulfonic acid (6)
perfluorohexanoic acid (2)
perfluorononanoic acid (6)
perfluorooctanesulfonic acid (6)
perfluorooctanoic acid (6)
perfluoropentanesulfonic acid (2)
perfluoropentanoic acid (2)
perfluorotetradecanoic acid (2)
perfluorotridecanoic acid (2)
perfluoroundecanoic acid (2)
profenofos (8)
quinoline (8)
strontium (8)
tebuconazole (8)
total microcystins (16)
Total Permethrin (8)
tribufos (8)
vanadium (8)

1,1-dichloroethane (4)

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.03 µg/L

Below Reporting Level

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.03 µg/L

Below Reporting Level

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.03 µg/L

Below Reporting Level

2/12/2013

13 years ago

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

Contaminant Details

1,2,3-trichloropropane (4)

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.03 µg/L

Below Reporting Level

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.03 µg/L

Below Reporting Level

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.03 µg/L

Below Reporting Level

2/12/2013

13 years ago

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

Contaminant Details

1,3-butadiene (4)

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.1 µg/L

Below Reporting Level

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.1 µg/L

Below Reporting Level

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.1 µg/L

Below Reporting Level

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.1 µg/L

Below Reporting Level

2/12/2013

13 years ago

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

Contaminant Details

1,4-dioxane (4)

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.07 µg/L

Below Reporting Level

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.07 µg/L

Below Reporting Level

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.07 µg/L

Below Reporting Level

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.07 µg/L

Below Reporting Level

2/12/2013

13 years ago

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

Contaminant Details

1-butanol (8)

EP from CC #1

Consecutive Connection #1 ℹ️

<2 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<2 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<2 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<2 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<2 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<2 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<2 µg/L

Below Reporting Level

11/13/2019

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<2 µg/L

Below Reporting Level

11/13/2019

6 years ago

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

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.005 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.005 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

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

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.005 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.005 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

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

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

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

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.005 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.005 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

2-methoxyethanol (8)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.4 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.4 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.4 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.4 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.4 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.4 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.4 µg/L

Below Reporting Level

11/13/2019

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.4 µg/L

Below Reporting Level

11/13/2019

6 years ago

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

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (8)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.5 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.5 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.5 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.5 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.5 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.5 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.5 µg/L

Below Reporting Level

11/13/2019

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.5 µg/L

Below Reporting Level

11/13/2019

6 years ago

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

Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.002 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.002 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

alpha-hexachlorocyclohexane (8)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.01 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.01 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.01 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.01 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.01 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.01 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.01 µg/L

Below Reporting Level

11/13/2019

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.01 µg/L

Below Reporting Level

11/13/2019

6 years ago

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

Contaminant Details

anatoxin-a (16)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

11/28/2018

7 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

11/28/2018

7 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2018

7 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2018

7 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

10/24/2018

7 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

10/24/2018

7 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

10/10/2018

7 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

10/10/2018

7 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

9/26/2018

7 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

9/26/2018

7 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

9/12/2018

8 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

9/12/2018

8 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

8/24/2018

8 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

8/24/2018

8 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

8/15/2018

8 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

8/15/2018

8 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (4)

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.06 µg/L

Below Reporting Level

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.06 µg/L

Below Reporting Level

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.06 µg/L

Below Reporting Level

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.06 µg/L

Below Reporting Level

2/12/2013

13 years ago

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

Contaminant Details

bromomethane (4)

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.2 µg/L

Below Reporting Level

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.2 µg/L

Below Reporting Level

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.2 µg/L

Below Reporting Level

2/12/2013

13 years ago

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

Contaminant Details

Butylated Hydroxyanisole (8)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2019

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2019

6 years ago

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

Contaminant Details

chlorate (8)

6734 39th Street

Distribution System ℹ️

<20 µg/L

Below Reporting Level

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<20 µg/L

Below Reporting Level

11/1/2013

12 years ago

6734 39th Street

Distribution System ℹ️

<20 µg/L

Below Reporting Level

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<20 µg/L

Below Reporting Level

8/7/2013

13 years ago

6734 39th Street

Distribution System ℹ️

<20 µg/L

Below Reporting Level

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<20 µg/L

Below Reporting Level

5/8/2013

13 years ago

6734 39th Street

Distribution System ℹ️

<20 µg/L

Below Reporting Level

2/12/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<20 µg/L

Below Reporting Level

2/12/2013

13 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (4)

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.08 µg/L

Below Reporting Level

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.08 µg/L

Below Reporting Level

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.08 µg/L

Below Reporting Level

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.08 µg/L

Below Reporting Level

2/12/2013

13 years ago

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

Contaminant Details

chloromethane (4)

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.2 µg/L

Below Reporting Level

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.2 µg/L

Below Reporting Level

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.2 µg/L

Below Reporting Level

2/12/2013

13 years ago

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

Contaminant Details

chlorpyrifos (8)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2019

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2019

6 years ago

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

Contaminant Details

chromium (8)

6734 39th Street

Distribution System ℹ️

0.3 µg/L

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

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

0.3 µg/L

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

11/1/2013

12 years ago

6734 39th Street

Distribution System ℹ️

0.4 µg/L

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

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

0.4 µg/L

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

8/7/2013

13 years ago

6734 39th Street

Distribution System ℹ️

0.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.3 µg/L

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

0.4 µg/L

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

5/8/2013

13 years ago

6734 39th Street

Distribution System ℹ️

0.4 µg/L

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

2/12/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

0.4 µg/L

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

2/12/2013

13 years ago

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

Contaminant Details

chromium-6 (8)

6734 39th Street

Distribution System ℹ️

0.22 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.19 µg/L

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

0.22 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.19 µg/L

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

0.19 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.16 µg/L

8/7/2013

13 years ago

6734 39th Street

Distribution System ℹ️

0.17 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.14 µg/L

8/7/2013

13 years ago

6734 39th Street

Distribution System ℹ️

0.21 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.18 µg/L

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

0.21 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.18 µg/L

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

0.22 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.19 µg/L

2/12/2013

13 years ago

6734 39th Street

Distribution System ℹ️

0.21 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.18 µg/L

2/12/2013

13 years ago

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

Contaminant Details

cobalt (8)

6734 39th Street

Distribution System ℹ️

<1 µg/L

Below Reporting Level

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<1 µg/L

Below Reporting Level

11/1/2013

12 years ago

6734 39th Street

Distribution System ℹ️

<1 µg/L

Below Reporting Level

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<1 µg/L

Below Reporting Level

8/7/2013

13 years ago

6734 39th Street

Distribution System ℹ️

<1 µg/L

Below Reporting Level

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<1 µg/L

Below Reporting Level

5/8/2013

13 years ago

6734 39th Street

Distribution System ℹ️

<1 µg/L

Below Reporting Level

2/12/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<1 µg/L

Below Reporting Level

2/12/2013

13 years ago

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

Contaminant Details

cylindrospermopsin (16)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.09 µg/L

Below Reporting Level

11/28/2018

7 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.09 µg/L

Below Reporting Level

11/28/2018

7 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.09 µg/L

Below Reporting Level

11/15/2018

7 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.09 µg/L

Below Reporting Level

11/15/2018

7 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.09 µg/L

Below Reporting Level

10/24/2018

7 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.09 µg/L

Below Reporting Level

10/24/2018

7 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.09 µg/L

Below Reporting Level

10/10/2018

7 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.09 µg/L

Below Reporting Level

10/10/2018

7 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.09 µg/L

Below Reporting Level

9/26/2018

7 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.09 µg/L

Below Reporting Level

9/26/2018

7 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.09 µg/L

Below Reporting Level

9/12/2018

8 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.09 µg/L

Below Reporting Level

9/12/2018

8 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.09 µg/L

Below Reporting Level

8/24/2018

8 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.09 µg/L

Below Reporting Level

8/24/2018

8 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.09 µg/L

Below Reporting Level

8/15/2018

8 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.09 µg/L

Below Reporting Level

8/15/2018

8 years ago

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

Contaminant Details

dimethipin (8)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.2 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.2 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.2 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.2 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.2 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.2 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2019

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2019

6 years ago

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

Contaminant Details

ethoprop (8)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2019

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2019

6 years ago

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

Contaminant Details

Germanium (8)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.3 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.3 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.3 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.3 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.3 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.3 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.3 µg/L

Below Reporting Level

11/13/2019

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.3 µg/L

Below Reporting Level

11/13/2019

6 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (16)

3701 Scoville Ave.

Distribution System ℹ️

19.7 µg/L

Meets Reporting Threshold

8/5/2020

6 years ago

6700 30th St.

Distribution System ℹ️

19.6 µg/L

Meets Reporting Threshold

8/5/2020

6 years ago

7155 Ogden Ave.

Distribution System ℹ️

19.2 µg/L

Meets Reporting Threshold

8/5/2020

6 years ago

6801 Windsor Ave.

Distribution System ℹ️

18.7 µg/L

Meets Reporting Threshold

8/5/2020

6 years ago

7155 Ogden Ave.

Distribution System ℹ️

15.3 µg/L

Meets Reporting Threshold

5/14/2020

6 years ago

3701 Scoville Ave.

Distribution System ℹ️

15.16 µg/L

Meets Reporting Threshold

5/14/2020

6 years ago

6700 30th St.

Distribution System ℹ️

14.79 µg/L

Meets Reporting Threshold

5/14/2020

6 years ago

6801 Windsor Ave.

Distribution System ℹ️

12.46 µg/L

Meets Reporting Threshold

5/14/2020

6 years ago

7155 Ogden Ave.

Distribution System ℹ️

10.8 µg/L

Meets Reporting Threshold

2/12/2020

6 years ago

6700 30th St.

Distribution System ℹ️

10.5 µg/L

Meets Reporting Threshold

2/12/2020

6 years ago

3701 Scoville Ave.

Distribution System ℹ️

9.59 µg/L

Meets Reporting Threshold

2/12/2020

6 years ago

6801 Windsor Ave.

Distribution System ℹ️

8.76 µg/L

Meets Reporting Threshold

2/12/2020

6 years ago

7155 Ogden Ave.

Distribution System ℹ️

10.62 µg/L

Meets Reporting Threshold

11/13/2019

6 years ago

3701 Scoville Ave.

Distribution System ℹ️

10.3 µg/L

Meets Reporting Threshold

11/13/2019

6 years ago

6801 Windsor Ave.

Distribution System ℹ️

10.06 µg/L

Meets Reporting Threshold

11/13/2019

6 years ago

6700 30th St.

Distribution System ℹ️

9.91 µg/L

Meets Reporting Threshold

11/13/2019

6 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (12)

3701 Scoville Ave.

Distribution System ℹ️

10.46 µg/L

5/14/2020

6 years ago

7155 Ogden Ave.

Distribution System ℹ️

10.3 µg/L

5/14/2020

6 years ago

6700 30th St.

Distribution System ℹ️

9.89 µg/L

5/14/2020

6 years ago

6801 Windsor Ave.

Distribution System ℹ️

4.91 µg/L

5/14/2020

6 years ago

6700 30th St.

Distribution System ℹ️

9.5 µg/L

2/12/2020

6 years ago

3701 Scoville Ave.

Distribution System ℹ️

8.39 µg/L

2/12/2020

6 years ago

7155 Ogden Ave.

Distribution System ℹ️

8 µg/L

2/12/2020

6 years ago

6801 Windsor Ave.

Distribution System ℹ️

7.24 µg/L

2/12/2020

6 years ago

6700 30th St.

Distribution System ℹ️

8.41 µg/L

11/13/2019

6 years ago

3701 Scoville Ave.

Distribution System ℹ️

8.4 µg/L

11/13/2019

6 years ago

7155 Ogden Ave.

Distribution System ℹ️

8.22 µg/L

11/13/2019

6 years ago

6801 Windsor Ave.

Distribution System ℹ️

8.16 µg/L

11/13/2019

6 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (12)

3701 Scoville Ave.

Distribution System ℹ️

24.66 µg/L

5/14/2020

6 years ago

7155 Ogden Ave.

Distribution System ℹ️

24.6 µg/L

5/14/2020

6 years ago

6700 30th St.

Distribution System ℹ️

23.69 µg/L

5/14/2020

6 years ago

6801 Windsor Ave.

Distribution System ℹ️

16.71 µg/L

5/14/2020

6 years ago

6700 30th St.

Distribution System ℹ️

18.9 µg/L

2/12/2020

6 years ago

7155 Ogden Ave.

Distribution System ℹ️

17.8 µg/L

2/12/2020

6 years ago

3701 Scoville Ave.

Distribution System ℹ️

16.99 µg/L

2/12/2020

6 years ago

6801 Windsor Ave.

Distribution System ℹ️

15.04 µg/L

2/12/2020

6 years ago

7155 Ogden Ave.

Distribution System ℹ️

18.32 µg/L

11/13/2019

6 years ago

3701 Scoville Ave.

Distribution System ℹ️

17.8 µg/L

11/13/2019

6 years ago

6700 30th St.

Distribution System ℹ️

17.71 µg/L

11/13/2019

6 years ago

6801 Windsor Ave.

Distribution System ℹ️

17.66 µg/L

11/13/2019

6 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.005 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.005 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

lithium (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<9 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<9 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

Manganese (8)

EP from CC #1

Consecutive Connection #1 ℹ️

0.52 µg/L

Meets Reporting Threshold

8/5/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.4 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

0.44 µg/L

Meets Reporting Threshold

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.4 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

0.6 µg/L

Meets Reporting Threshold

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

0.5 µg/L

Meets Reporting Threshold

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

0.53 µg/L

Meets Reporting Threshold

11/13/2019

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.4 µg/L

Below Reporting Level

11/13/2019

6 years ago

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

Contaminant Details

molybdenum (8)

6734 39th Street

Distribution System ℹ️

1.1 µg/L

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

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

1.1 µg/L

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

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

1.1 µg/L

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

8/7/2013

13 years ago

6734 39th Street

Distribution System ℹ️

1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0 µg/L

8/7/2013

13 years ago

6734 39th Street

Distribution System ℹ️

1.1 µg/L

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

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0 µg/L

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

1.1 µg/L

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

2/12/2013

13 years ago

6734 39th Street

Distribution System ℹ️

<1 µg/L

Below Reporting Level

2/12/2013

13 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.005 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.005 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.006 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.006 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.02 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.02 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

o-toluidine (8)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.007 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.007 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.007 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.007 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.007 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.007 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.007 µg/L

Below Reporting Level

11/13/2019

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.007 µg/L

Below Reporting Level

11/13/2019

6 years ago

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

Contaminant Details

oxyfluorfen (8)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.05 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.05 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.05 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.05 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.05 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.05 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.05 µg/L

Below Reporting Level

11/13/2019

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.05 µg/L

Below Reporting Level

11/13/2019

6 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.004 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.004 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

perfluorobutanesulfonic acid (6)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

22 months ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.09 µg/L

Below Reporting Level

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.09 µg/L

Below Reporting Level

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.09 µg/L

Below Reporting Level

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.09 µg/L

Below Reporting Level

2/12/2013

13 years ago

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

Contaminant Details

perfluorobutanoic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.005 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.005 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

perfluorodecanoic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

perfluorododecanoic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

perfluoroheptanesulfonic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

perfluoroheptanoic acid (6)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

22 months ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.01 µg/L

Below Reporting Level

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.01 µg/L

Below Reporting Level

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.01 µg/L

Below Reporting Level

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.01 µg/L

Below Reporting Level

2/12/2013

13 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (6)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

22 months ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.03 µg/L

Below Reporting Level

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.03 µg/L

Below Reporting Level

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.03 µg/L

Below Reporting Level

2/12/2013

13 years ago

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

Contaminant Details

perfluorohexanoic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

perfluorononanoic acid (6)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.004 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.004 µg/L

Below Reporting Level

11/21/2024

22 months ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.02 µg/L

Below Reporting Level

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.02 µg/L

Below Reporting Level

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.02 µg/L

Below Reporting Level

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.02 µg/L

Below Reporting Level

2/12/2013

13 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (6)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.004 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.004 µg/L

Below Reporting Level

11/21/2024

22 months ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.04 µg/L

Below Reporting Level

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.04 µg/L

Below Reporting Level

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.04 µg/L

Below Reporting Level

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.04 µg/L

Below Reporting Level

2/12/2013

13 years ago

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

Contaminant Details

perfluorooctanoic acid (6)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.004 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.004 µg/L

Below Reporting Level

11/21/2024

22 months ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.02 µg/L

Below Reporting Level

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.02 µg/L

Below Reporting Level

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.02 µg/L

Below Reporting Level

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

<0.02 µg/L

Below Reporting Level

2/12/2013

13 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.004 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.004 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

perfluoropentanoic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

perfluorotetradecanoic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.008 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.008 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

perfluorotridecanoic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.007 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.007 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

perfluoroundecanoic acid (2)

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.002 µg/L

Below Reporting Level

2/25/2025

19 months ago

Pump Station (19th St. & Harvey Ave.)

Chicago Interconnection (Jardine WTP) ℹ️

<0.002 µg/L

Below Reporting Level

11/21/2024

22 months ago

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

Contaminant Details

profenofos (8)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.3 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.3 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.3 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.3 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.3 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.3 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.3 µg/L

Below Reporting Level

11/13/2019

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.3 µg/L

Below Reporting Level

11/13/2019

6 years ago

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

Contaminant Details

quinoline (8)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.02 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.02 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.02 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.02 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.02 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.02 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.02 µg/L

Below Reporting Level

11/13/2019

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.02 µg/L

Below Reporting Level

11/13/2019

6 years ago

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

Contaminant Details

strontium (8)

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

120.3 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 120 µg/L

11/1/2013

12 years ago

6734 39th Street

Distribution System ℹ️

119 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 118.7 µg/L

11/1/2013

12 years ago

6734 39th Street

Distribution System ℹ️

115.1 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 114.8 µg/L

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

112.2 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 111.9 µg/L

8/7/2013

13 years ago

6734 39th Street

Distribution System ℹ️

128.9 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 128.6 µg/L

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

120.6 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 120.3 µg/L

5/8/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

119.5 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 119.2 µg/L

2/12/2013

13 years ago

6734 39th Street

Distribution System ℹ️

113.1 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 112.8 µg/L

2/12/2013

13 years ago

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

Contaminant Details

tebuconazole (8)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.2 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.2 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.2 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.2 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.2 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.2 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2019

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2019

6 years ago

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

Contaminant Details

total microcystins (16)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.3 µg/L

Below Reporting Level

11/28/2018

7 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.3 µg/L

Below Reporting Level

11/28/2018

7 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.3 µg/L

Below Reporting Level

11/15/2018

7 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.3 µg/L

Below Reporting Level

11/15/2018

7 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.3 µg/L

Below Reporting Level

10/24/2018

7 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.3 µg/L

Below Reporting Level

10/24/2018

7 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.3 µg/L

Below Reporting Level

10/10/2018

7 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.3 µg/L

Below Reporting Level

10/10/2018

7 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.3 µg/L

Below Reporting Level

9/26/2018

7 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.3 µg/L

Below Reporting Level

9/26/2018

7 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.3 µg/L

Below Reporting Level

9/12/2018

8 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.3 µg/L

Below Reporting Level

9/12/2018

8 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.3 µg/L

Below Reporting Level

8/24/2018

8 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.3 µg/L

Below Reporting Level

8/24/2018

8 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.3 µg/L

Below Reporting Level

8/15/2018

8 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.3 µg/L

Below Reporting Level

8/15/2018

8 years ago

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

Contaminant Details

Total Permethrin (8)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.04 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.04 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.04 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.04 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.04 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.04 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.04 µg/L

Below Reporting Level

11/13/2019

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.04 µg/L

Below Reporting Level

11/13/2019

6 years ago

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

Contaminant Details

tribufos (8)

EP from CC #1

Consecutive Connection #1 ℹ️

<0.07 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.07 µg/L

Below Reporting Level

8/5/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.07 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.07 µg/L

Below Reporting Level

5/14/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.07 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.07 µg/L

Below Reporting Level

2/12/2020

6 years ago

EP from CC #1

Consecutive Connection #1 ℹ️

<0.07 µg/L

Below Reporting Level

11/13/2019

6 years ago

EP from CC #2

Consecutive Connection #2 ℹ️

<0.07 µg/L

Below Reporting Level

11/13/2019

6 years ago

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

Contaminant Details

vanadium (8)

6734 39th Street

Distribution System ℹ️

0.3 µg/L

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

11/1/2013

12 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

0.3 µg/L

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

11/1/2013

12 years ago

6734 39th Street

Distribution System ℹ️

0.3 µg/L

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

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

0.3 µg/L

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

8/7/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

0.3 µg/L

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

5/8/2013

13 years ago

6734 39th Street

Distribution System ℹ️

0.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0 µg/L

5/8/2013

13 years ago

6734 39th Street

Distribution System ℹ️

0.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0 µg/L

2/12/2013

13 years ago

Pump Station @ 19th & Harvey

Chicago Interconnection (Jardine WTP) ℹ️

0.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0 µg/L

2/12/2013

13 years ago

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

Contaminant Details

Sampling Facilities

Chicago Interconnection (Jardine WTP)
Surface Water (SW)

Pump Station (19th St. & Harvey Ave.)Entry Point to the Distribution System (EP)

Pump Station @ 19th & HarveyEntry Point to the Distribution System (EP)

Consecutive Connection #1
Surface Water (SW)

EP from CC #1Entry Point to the Distribution System (EP)

Consecutive Connection #2
Surface Water (SW)

EP from CC #2Entry Point to the Distribution System (EP)

Distribution System
Surface Water (SW)

6700 30th St.Distribution System (DS)

6801 Windsor Ave.Distribution System (DS)

7155 Ogden Ave.Distribution System (DS)

3701 Scoville Ave.Distribution System (DS)

Distribution System
Surface Water (SW)

6734 39th StreetMaximum Residence Time (MR)

FAQ

Is Berwyn tap water safe to drink?

When was Berwyn last tested for water contamination?

The latest water samples were taken on February 25th, 2025.

Contaminants

1,1-dichloroethane (4)

1,2,3-trichloropropane (4)

1,3-butadiene (4)

1,4-dioxane (4)

1-butanol (8)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (2)

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

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

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

2-methoxyethanol (8)

2-propen-1-ol (Allyl Alcohol) (8)

4,8-dioxa-3H-perfluorononanoic acid (2)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (2)

alpha-hexachlorocyclohexane (8)

anatoxin-a (16)

bromochloromethane (Halon 1011) (4)

bromomethane (4)

Butylated Hydroxyanisole (8)

chlorate (8)

chlorodifluoromethane (HCFC-22) (4)

chloromethane (4)

chlorpyrifos (8)

chromium (8)

chromium-6 (8)

cobalt (8)

cylindrospermopsin (16)

dimethipin (8)

ethoprop (8)

Germanium (8)

HAA5 (five regulated haloacetic acids) (16)

HAA6Br (six brominated haloacetic acids) (12)

HAA9 (nine haloacetic acids) (12)

hexafluoropropylene oxide dimer acid (GenX) (2)

lithium (2)

Manganese (8)

molybdenum (8)

N-ethyl perfluorooctanesulfonamidoacetic acid (2)

N-methyl perfluorooctanesulfonamidoacetic acid (2)

nonafluoro-3,6-dioxaheptanoic acid (2)

o-toluidine (8)

oxyfluorfen (8)

perfluoro(2-ethoxyethane)sulfonic acid (2)

perfluoro-3-methoxypropanoic acid (2)

perfluoro-4-methoxybutanoic acid (2)

perfluorobutanesulfonic acid (6)

perfluorobutanoic acid (2)

perfluorodecanoic acid (2)

perfluorododecanoic acid (2)

perfluoroheptanesulfonic acid (2)

perfluoroheptanoic acid (6)

perfluorohexanesulfonic acid (6)

perfluorohexanoic acid (2)

perfluorononanoic acid (6)

perfluorooctanesulfonic acid (6)

perfluorooctanoic acid (6)

perfluoropentanesulfonic acid (2)

perfluoropentanoic acid (2)

perfluorotetradecanoic acid (2)

perfluorotridecanoic acid (2)

perfluoroundecanoic acid (2)

profenofos (8)

quinoline (8)

strontium (8)

tebuconazole (8)

total microcystins (16)

Total Permethrin (8)

tribufos (8)

vanadium (8)

Sampling Facilities

Chicago Interconnection (Jardine WTP) Surface Water (SW)

Consecutive Connection #1 Surface Water (SW)

Consecutive Connection #2 Surface Water (SW)

Distribution System Surface Water (SW)

Distribution System Surface Water (SW)

FAQ

Is Berwyn tap water safe to drink?

When was Berwyn last tested for water contamination?

Chicago Interconnection (Jardine WTP)
Surface Water (SW)

Consecutive Connection #1
Surface Water (SW)

Consecutive Connection #2
Surface Water (SW)

Distribution System
Surface Water (SW)

Distribution System
Surface Water (SW)