Waukegan (IL) Water Quality

Waukegan is a large public water system in EPA region 5 that provides tap water for the 60085 zip codes. It has 5 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 30.185 µg/L. The maximum reported level of Manganese was 0.608 µg/L. There were 2 contamintants found in the Waukegan 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 (4)
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (4)
1H,1H,2H,2H-perfluorodecane sulfonic acid (4)
1H,1H,2H,2H-perfluorohexane sulfonic acid (4)
1H,1H,2H,2H-perfluorooctane sulfonic acid (4)
2,4-dinitrotoluene (4)
2,6-dinitrotoluene (4)
2-methoxyethanol (4)
2-propen-1-ol (Allyl Alcohol) (4)
4,4'-dichloro dichlorophenyl ethylene (DDE) (4)
4,8-dioxa-3H-perfluorononanoic acid (4)
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (4)
alpha-hexachlorocyclohexane (4)
anatoxin-a (8)
bromochloromethane (Halon 1011) (4)
bromomethane (4)
Butylated Hydroxyanisole (4)
chlorate (8)
chlorodifluoromethane (HCFC-22) (4)
chloromethane (4)
chlorpyrifos (4)
chromium (8)
chromium-6 (8)
cobalt (8)
cylindrospermopsin (8)
dimethipin (4)
dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (4)
ethoprop (4)
Germanium (4)
HAA5 (five regulated haloacetic acids) (16)
HAA6Br (six brominated haloacetic acids) (16)
HAA9 (nine haloacetic acids) (16)
hexafluoropropylene oxide dimer acid (GenX) (4)
lithium (4)
Manganese (4)
methyl-tertiary-butyl-ether (MTBE) (4)
molinate (4)
molybdenum (8)
N-ethyl perfluorooctanesulfonamidoacetic acid (4)
N-methyl perfluorooctanesulfonamidoacetic acid (4)
nitrobenzene (4)
nonafluoro-3,6-dioxaheptanoic acid (4)
o-toluidine (4)
oxyfluorfen (4)
perchlorate (4)
perfluoro(2-ethoxyethane)sulfonic acid (4)
perfluoro-3-methoxypropanoic acid (4)
perfluoro-4-methoxybutanoic acid (4)
perfluorobutanesulfonic acid (8)
perfluorobutanoic acid (4)
perfluorodecanoic acid (4)
perfluorododecanoic acid (4)
perfluoroheptanesulfonic acid (4)
perfluoroheptanoic acid (8)
perfluorohexanesulfonic acid (8)
perfluorohexanoic acid (4)
perfluorononanoic acid (8)
perfluorooctanesulfonic acid (8)
perfluorooctanoic acid (8)
perfluoropentanesulfonic acid (4)
perfluoropentanoic acid (4)
perfluorotetradecanoic acid (4)
perfluorotridecanoic acid (4)
perfluoroundecanoic acid (4)
profenofos (4)
quinoline (4)
s-ethyl-dipropylthiocarbamate (EPTC) (4)
strontium (8)
tebuconazole (4)
terbacil (4)
total microcystins (8)
Total Permethrin (4)
tribufos (4)
vanadium (8)

1,1-dichloroethane (4)

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.03 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.03 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.03 µg/L

Below Reporting Level

2/10/2014

12 years ago

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

Contaminant Details

1,2,3-trichloropropane (4)

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.03 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.03 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.03 µg/L

Below Reporting Level

2/10/2014

12 years ago

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

Contaminant Details

1,3-butadiene (4)

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.1 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.1 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.1 µg/L

Below Reporting Level

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.1 µg/L

Below Reporting Level

2/10/2014

12 years ago

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

Contaminant Details

1,4-dioxane (4)

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.07 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.07 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.07 µg/L

Below Reporting Level

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.07 µg/L

Below Reporting Level

2/10/2014

12 years ago

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

Contaminant Details

1-butanol (4)

Finished Water

Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

4/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

1/29/2020

6 years ago

Finished Water

Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

10/15/2019

6 years ago

Finished Water

Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

7/17/2019

6 years ago

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

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (4)

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (4)

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (4)

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (4)

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

2,4-dinitrotoluene (4)

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<2 µg/L

Below Reporting Level

11/18/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<2 µg/L

Below Reporting Level

8/6/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<2 µg/L

Below Reporting Level

5/7/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<2 µg/L

Below Reporting Level

2/10/2003

23 years ago

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

Contaminant Details

2,6-dinitrotoluene (4)

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<2 µg/L

Below Reporting Level

11/18/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<2 µg/L

Below Reporting Level

8/6/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<2 µg/L

Below Reporting Level

5/7/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<2 µg/L

Below Reporting Level

2/10/2003

23 years ago

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

Contaminant Details

2-methoxyethanol (4)

Finished Water

Treatment Plant ℹ️

<0.4 µg/L

Below Reporting Level

4/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.4 µg/L

Below Reporting Level

1/29/2020

6 years ago

Finished Water

Treatment Plant ℹ️

<0.4 µg/L

Below Reporting Level

10/15/2019

6 years ago

Finished Water

Treatment Plant ℹ️

<0.4 µg/L

Below Reporting Level

7/17/2019

6 years ago

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

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (4)

Finished Water

Treatment Plant ℹ️

<0.5 µg/L

Below Reporting Level

4/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.5 µg/L

Below Reporting Level

1/29/2020

6 years ago

Finished Water

Treatment Plant ℹ️

<0.5 µg/L

Below Reporting Level

10/15/2019

6 years ago

Finished Water

Treatment Plant ℹ️

<0.5 µg/L

Below Reporting Level

7/17/2019

6 years ago

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

Contaminant Details

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

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<0.8 µg/L

Below Reporting Level

11/18/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<0.8 µg/L

Below Reporting Level

8/6/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<0.8 µg/L

Below Reporting Level

5/7/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<0.8 µg/L

Below Reporting Level

2/10/2003

23 years ago

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

Contaminant Details

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

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (4)

Finished Water

Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

alpha-hexachlorocyclohexane (4)

Finished Water

Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

4/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

1/29/2020

6 years ago

Finished Water

Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

10/15/2019

6 years ago

Finished Water

Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

7/17/2019

6 years ago

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

Contaminant Details

anatoxin-a (8)

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/23/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/9/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/25/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/12/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

7/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

7/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

7/9/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

6/24/2020

5 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (4)

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.06 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.06 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.06 µg/L

Below Reporting Level

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.06 µg/L

Below Reporting Level

2/10/2014

12 years ago

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

Contaminant Details

bromomethane (4)

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.2 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.2 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.2 µg/L

Below Reporting Level

2/10/2014

12 years ago

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

Contaminant Details

Butylated Hydroxyanisole (4)

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

1/29/2020

6 years ago

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

10/15/2019

6 years ago

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2019

6 years ago

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

Contaminant Details

chlorate (8)

621 S. Lakehurst Road

Distribution System ℹ️

<20 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<20 µg/L

Below Reporting Level

11/17/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

<20 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<20 µg/L

Below Reporting Level

8/18/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

<20 µg/L

Below Reporting Level

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<20 µg/L

Below Reporting Level

5/13/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

<20 µg/L

Below Reporting Level

2/10/2014

12 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<20 µg/L

Below Reporting Level

2/10/2014

12 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (4)

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.08 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.08 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.08 µg/L

Below Reporting Level

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.08 µg/L

Below Reporting Level

2/10/2014

12 years ago

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

Contaminant Details

chloromethane (4)

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.2 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.2 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.2 µg/L

Below Reporting Level

2/10/2014

12 years ago

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

Contaminant Details

chlorpyrifos (4)

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

1/29/2020

6 years ago

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

10/15/2019

6 years ago

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2019

6 years ago

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

Contaminant Details

chromium (8)

621 S. Lakehurst Road

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.2 µg/L

Below Reporting Level

11/17/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

0.286 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.086 µg/L

10/31/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.2 µg/L

Below Reporting Level

10/31/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

0.276 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.076 µg/L

5/13/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

0.266 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.066 µg/L

5/13/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

0.262 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.062 µg/L

2/10/2014

12 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

0.259 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.059 µg/L

2/10/2014

12 years ago

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

Contaminant Details

chromium-6 (8)

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

0.16 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.13 µg/L

11/17/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

0.149 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.119 µg/L

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

0.199 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.169 µg/L

8/18/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

0.197 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.167 µg/L

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

0.2 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.17 µg/L

5/13/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

0.195 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.165 µg/L

5/13/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

0.215 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.185 µg/L

2/10/2014

12 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

0.208 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.178 µg/L

2/10/2014

12 years ago

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

Contaminant Details

cobalt (8)

621 S. Lakehurst Road

Distribution System ℹ️

<1 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<1 µg/L

Below Reporting Level

11/17/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

<1 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<1 µg/L

Below Reporting Level

8/18/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

<1 µg/L

Below Reporting Level

2/10/2014

12 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<1 µg/L

Below Reporting Level

2/10/2014

12 years ago

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

Contaminant Details

cylindrospermopsin (8)

Finished Water

Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

9/23/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

9/9/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

8/25/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

8/12/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

7/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

7/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

7/9/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

6/24/2020

5 years ago

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

Contaminant Details

dimethipin (4)

Finished Water

Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

1/29/2020

6 years ago

Finished Water

Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

10/15/2019

6 years ago

Finished Water

Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2019

6 years ago

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

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (4)

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<1 µg/L

Below Reporting Level

11/18/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<1 µg/L

Below Reporting Level

8/6/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<1 µg/L

Below Reporting Level

5/7/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<1 µg/L

Below Reporting Level

2/10/2003

23 years ago

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

Contaminant Details

ethoprop (4)

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

1/29/2020

6 years ago

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

10/15/2019

6 years ago

Finished Water

Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2019

6 years ago

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

Contaminant Details

Germanium (4)

Finished Water

Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

4/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

1/29/2020

6 years ago

Finished Water

Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

10/15/2019

6 years ago

Finished Water

Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

7/17/2019

6 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (16)

14565 Yorkhouse Rd.

Distribution System ℹ️

24.01 µg/L

Meets Reporting Threshold

7/15/2020

5 years ago

2323 Delany Rd.

Distribution System ℹ️

17.6 µg/L

Meets Reporting Threshold

7/15/2020

5 years ago

621 S. Lakehurst Rd.

Distribution System ℹ️

16.571 µg/L

Meets Reporting Threshold

7/15/2020

5 years ago

2200 N. Sheridan

Distribution System ℹ️

14.79 µg/L

Meets Reporting Threshold

7/15/2020

5 years ago

2200 N. Sheridan

Distribution System ℹ️

18.28 µg/L

Meets Reporting Threshold

1/29/2020

6 years ago

14565 Yorkhouse Rd.

Distribution System ℹ️

16.713 µg/L

Meets Reporting Threshold

1/29/2020

6 years ago

621 S. Lakehurst Rd.

Distribution System ℹ️

16.12 µg/L

Meets Reporting Threshold

1/29/2020

6 years ago

2323 Delany Rd.

Distribution System ℹ️

11.543 µg/L

Meets Reporting Threshold

1/29/2020

6 years ago

621 S. Lakehurst Rd.

Distribution System ℹ️

16.693 µg/L

Meets Reporting Threshold

10/15/2019

6 years ago

2200 N. Sheridan

Distribution System ℹ️

13.139 µg/L

Meets Reporting Threshold

10/15/2019

6 years ago

2323 Delany Rd.

Distribution System ℹ️

11.367 µg/L

Meets Reporting Threshold

10/15/2019

6 years ago

14565 Yorkhouse Rd.

Distribution System ℹ️

10.571 µg/L

Meets Reporting Threshold

10/15/2019

6 years ago

14565 Yorkhouse Rd.

Distribution System ℹ️

30.185 µg/L

⚠️ Exceeds 50% of Reference Level

7/17/2019

6 years ago

621 S. Lakehurst Rd.

Distribution System ℹ️

18.828 µg/L

Meets Reporting Threshold

7/17/2019

6 years ago

2200 N. Sheridan

Distribution System ℹ️

17.857 µg/L

Meets Reporting Threshold

7/17/2019

6 years ago

2323 Delany Rd.

Distribution System ℹ️

14.526 µg/L

Meets Reporting Threshold

7/17/2019

6 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (16)

14565 Yorkhouse Rd.

Distribution System ℹ️

13.886 µg/L

7/15/2020

5 years ago

621 S. Lakehurst Rd.

Distribution System ℹ️

11.627 µg/L

7/15/2020

5 years ago

2323 Delany Rd.

Distribution System ℹ️

9.661 µg/L

7/15/2020

5 years ago

2200 N. Sheridan

Distribution System ℹ️

9.133 µg/L

7/15/2020

5 years ago

14565 Yorkhouse Rd.

Distribution System ℹ️

13.693 µg/L

1/29/2020

6 years ago

2200 N. Sheridan

Distribution System ℹ️

13.66 µg/L

1/29/2020

6 years ago

621 S. Lakehurst Rd.

Distribution System ℹ️

13.58 µg/L

1/29/2020

6 years ago

2323 Delany Rd.

Distribution System ℹ️

9.473 µg/L

1/29/2020

6 years ago

621 S. Lakehurst Rd.

Distribution System ℹ️

10.485 µg/L

10/15/2019

6 years ago

2200 N. Sheridan

Distribution System ℹ️

3.697 µg/L

10/15/2019

6 years ago

2323 Delany Rd.

Distribution System ℹ️

3.065 µg/L

10/15/2019

6 years ago

14565 Yorkhouse Rd.

Distribution System ℹ️

3.028 µg/L

10/15/2019

6 years ago

14565 Yorkhouse Rd.

Distribution System ℹ️

13.391 µg/L

7/17/2019

6 years ago

621 S. Lakehurst Rd.

Distribution System ℹ️

10.732 µg/L

7/17/2019

6 years ago

2200 N. Sheridan

Distribution System ℹ️

10.057 µg/L

7/17/2019

6 years ago

2323 Delany Rd.

Distribution System ℹ️

9.151 µg/L

7/17/2019

6 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (16)

14565 Yorkhouse Rd.

Distribution System ℹ️

32.726 µg/L

7/15/2020

5 years ago

2323 Delany Rd.

Distribution System ℹ️

26.221 µg/L

7/15/2020

5 years ago

621 S. Lakehurst Rd.

Distribution System ℹ️

23.007 µg/L

7/15/2020

5 years ago

2200 N. Sheridan

Distribution System ℹ️

22.913 µg/L

7/15/2020

5 years ago

2200 N. Sheridan

Distribution System ℹ️

28 µg/L

1/29/2020

6 years ago

14565 Yorkhouse Rd.

Distribution System ℹ️

26.083 µg/L

1/29/2020

6 years ago

621 S. Lakehurst Rd.

Distribution System ℹ️

25.14 µg/L

1/29/2020

6 years ago

2323 Delany Rd.

Distribution System ℹ️

20.163 µg/L

1/29/2020

6 years ago

621 S. Lakehurst Rd.

Distribution System ℹ️

24.575 µg/L

10/15/2019

6 years ago

2200 N. Sheridan

Distribution System ℹ️

16.307 µg/L

10/15/2019

6 years ago

2323 Delany Rd.

Distribution System ℹ️

13.925 µg/L

10/15/2019

6 years ago

14565 Yorkhouse Rd.

Distribution System ℹ️

13.108 µg/L

10/15/2019

6 years ago

14565 Yorkhouse Rd.

Distribution System ℹ️

39.391 µg/L

7/17/2019

6 years ago

621 S. Lakehurst Rd.

Distribution System ℹ️

28.582 µg/L

7/17/2019

6 years ago

2200 N. Sheridan

Distribution System ℹ️

27.007 µg/L

7/17/2019

6 years ago

2323 Delany Rd.

Distribution System ℹ️

22.801 µg/L

7/17/2019

6 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (4)

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

lithium (4)

Finished Water

Treatment Plant ℹ️

<9 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<9 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<9 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<9 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

Manganese (4)

Finished Water

Treatment Plant ℹ️

<0.4 µg/L

Below Reporting Level

4/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

0.517 µg/L

Meets Reporting Threshold

1/29/2020

6 years ago

Finished Water

Treatment Plant ℹ️

0.608 µg/L

Meets Reporting Threshold

10/15/2019

6 years ago

Finished Water

Treatment Plant ℹ️

<0.4 µg/L

Below Reporting Level

7/17/2019

6 years ago

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

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (4)

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<5 µg/L

Below Reporting Level

11/18/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<5 µg/L

Below Reporting Level

8/6/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<5 µg/L

Below Reporting Level

5/7/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<5 µg/L

Below Reporting Level

2/10/2003

23 years ago

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

Contaminant Details

molinate (4)

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<0.9 µg/L

Below Reporting Level

11/18/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<0.9 µg/L

Below Reporting Level

8/6/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<0.9 µg/L

Below Reporting Level

5/7/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<0.9 µg/L

Below Reporting Level

2/10/2003

23 years ago

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

Contaminant Details

molybdenum (8)

621 S. Lakehurst Road

Distribution System ℹ️

<1 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<1 µg/L

Below Reporting Level

11/17/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

<1 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<1 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

1.103 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.103 µg/L

5/13/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

1.099 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.099 µg/L

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

1.072 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.072 µg/L

2/10/2014

12 years ago

621 S. Lakehurst Road

Distribution System ℹ️

1.063 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.063 µg/L

2/10/2014

12 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (4)

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (4)

Finished Water

Treatment Plant ℹ️

<0.006 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.006 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.006 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.006 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

nitrobenzene (4)

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<10 µg/L

Below Reporting Level

11/18/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<10 µg/L

Below Reporting Level

8/6/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<10 µg/L

Below Reporting Level

5/7/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<10 µg/L

Below Reporting Level

2/10/2003

23 years ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (4)

Finished Water

Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

o-toluidine (4)

Finished Water

Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

4/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

1/29/2020

6 years ago

Finished Water

Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

10/15/2019

6 years ago

Finished Water

Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

7/17/2019

6 years ago

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

Contaminant Details

oxyfluorfen (4)

Finished Water

Treatment Plant ℹ️

<0.05 µg/L

Below Reporting Level

4/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.05 µg/L

Below Reporting Level

1/29/2020

6 years ago

Finished Water

Treatment Plant ℹ️

<0.05 µg/L

Below Reporting Level

10/15/2019

6 years ago

Finished Water

Treatment Plant ℹ️

<0.05 µg/L

Below Reporting Level

7/17/2019

6 years ago

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

Contaminant Details

perchlorate (4)

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<4 µg/L

Below Reporting Level

12/1/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<4 µg/L

Below Reporting Level

7/29/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<4 µg/L

Below Reporting Level

5/27/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<4 µg/L

Below Reporting Level

2/5/2003

23 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (4)

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (4)

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (4)

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

perfluorobutanesulfonic acid (8)

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2024

21 months ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.09 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.09 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.09 µg/L

Below Reporting Level

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.09 µg/L

Below Reporting Level

2/10/2014

12 years ago

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

Contaminant Details

perfluorobutanoic acid (4)

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

perfluorodecanoic acid (4)

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

perfluorododecanoic acid (4)

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

perfluoroheptanesulfonic acid (4)

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

perfluoroheptanoic acid (8)

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2024

21 months ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.01 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.01 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.01 µg/L

Below Reporting Level

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.01 µg/L

Below Reporting Level

2/10/2014

12 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (8)

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2024

21 months ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.03 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.03 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.03 µg/L

Below Reporting Level

2/10/2014

12 years ago

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

Contaminant Details

perfluorohexanoic acid (4)

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

perfluorononanoic acid (8)

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

5/21/2024

21 months ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.02 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.02 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.02 µg/L

Below Reporting Level

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.02 µg/L

Below Reporting Level

2/10/2014

12 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (8)

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

5/21/2024

21 months ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.04 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.04 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.04 µg/L

Below Reporting Level

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.04 µg/L

Below Reporting Level

2/10/2014

12 years ago

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

Contaminant Details

perfluorooctanoic acid (8)

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

5/21/2024

21 months ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.02 µg/L

Below Reporting Level

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.02 µg/L

Below Reporting Level

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.02 µg/L

Below Reporting Level

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

<0.02 µg/L

Below Reporting Level

2/10/2014

12 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (4)

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

perfluoropentanoic acid (4)

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

perfluorotetradecanoic acid (4)

Finished Water

Treatment Plant ℹ️

<0.008 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.008 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.008 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.008 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

perfluorotridecanoic acid (4)

Finished Water

Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

perfluoroundecanoic acid (4)

Finished Water

Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

3/12/2025

11 months ago

Finished Water

Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

11/19/2024

15 months ago

Finished Water

Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

8/14/2024

18 months ago

Finished Water

Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

5/21/2024

21 months ago

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

Contaminant Details

profenofos (4)

Finished Water

Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

4/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

1/29/2020

6 years ago

Finished Water

Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

10/15/2019

6 years ago

Finished Water

Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

7/17/2019

6 years ago

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

Contaminant Details

quinoline (4)

Finished Water

Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

4/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

1/29/2020

6 years ago

Finished Water

Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

10/15/2019

6 years ago

Finished Water

Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2019

6 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (4)

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<1 µg/L

Below Reporting Level

11/18/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<1 µg/L

Below Reporting Level

8/6/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<1 µg/L

Below Reporting Level

5/7/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<1 µg/L

Below Reporting Level

2/10/2003

23 years ago

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

Contaminant Details

strontium (8)

621 S. Lakehurst Road

Distribution System ℹ️

122.695 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 122.395 µg/L

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

118.297 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 117.997 µg/L

11/17/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

117.907 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 117.607 µg/L

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

116.916 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 116.616 µg/L

8/18/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

132.582 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 132.282 µg/L

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

130.84 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 130.54 µg/L

5/13/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

127.795 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 127.495 µg/L

2/10/2014

12 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

126.677 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 126.377 µg/L

2/10/2014

12 years ago

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

Contaminant Details

tebuconazole (4)

Finished Water

Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

1/29/2020

6 years ago

Finished Water

Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

10/15/2019

6 years ago

Finished Water

Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2019

6 years ago

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

Contaminant Details

terbacil (4)

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<2 µg/L

Below Reporting Level

11/18/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<2 µg/L

Below Reporting Level

8/6/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<2 µg/L

Below Reporting Level

5/7/2003

22 years ago

WTP E OF SHERIDAN N

WTP E OF SHERIDAN N OF MADISON ℹ️

<2 µg/L

Below Reporting Level

2/10/2003

23 years ago

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

Contaminant Details

total microcystins (8)

Finished Water

Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

10/21/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

9/9/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

8/25/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

8/12/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

7/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

7/9/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

6/24/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

6/11/2020

5 years ago

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

Contaminant Details

Total Permethrin (4)

Finished Water

Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

4/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

1/29/2020

6 years ago

Finished Water

Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

10/15/2019

6 years ago

Finished Water

Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

7/17/2019

6 years ago

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

Contaminant Details

tribufos (4)

Finished Water

Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

4/22/2020

5 years ago

Finished Water

Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

1/29/2020

6 years ago

Finished Water

Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

10/15/2019

6 years ago

Finished Water

Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

7/17/2019

6 years ago

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

Contaminant Details

vanadium (8)

621 S. Lakehurst Road

Distribution System ℹ️

0.227 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.027 µg/L

11/17/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

0.215 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.015 µg/L

11/17/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

0.274 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.074 µg/L

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

0.274 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.074 µg/L

8/18/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

0.257 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.057 µg/L

5/13/2014

11 years ago

621 S. Lakehurst Road

Distribution System ℹ️

0.251 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.051 µg/L

5/13/2014

11 years ago

WTP E. of Sheridan N.

Conventional SWP from Lake Michigan ℹ️

0.248 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.048 µg/L

2/10/2014

12 years ago

621 S. Lakehurst Road

Distribution System ℹ️

0.244 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.044 µg/L

2/10/2014

12 years ago

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

Contaminant Details

Sampling Facilities

Treatment Plant
Surface Water (SW)

Finished WaterEntry Point to the Distribution System (EP)

Distribution System
Surface Water (SW)

621 S. Lakehurst Rd.Distribution System (DS)

2323 Delany Rd.Distribution System (DS)

14565 Yorkhouse Rd.Distribution System (DS)

2200 N. SheridanDistribution System (DS)

Distribution System
Surface Water (SW)

621 S. Lakehurst RoadMaximum Residence Time (MR)

Conventional SWP from Lake Michigan
Surface Water (SW)

WTP E. of Sheridan N.Entry Point to the Distribution System (EP)

WTP E OF SHERIDAN N OF MADISON
Surface Water (SW)

WTP E OF SHERIDAN NEntry Point to the Distribution System (EP)

FAQ

Is Waukegan tap water safe to drink?

When was Waukegan last tested for water contamination?

The latest water samples were taken on March 12th, 2025.