MyCleanWater

Oconomowoc, Wisconsin Water Quality Report

Water quality data for 9 water systems serving 16,666 people.

85
Good
out of 100

Water Source

9
Water Systems
17K
People Served
Ground water
Water Source

Detected Contaminants

ContaminantDetected LevelEPA Limit (MCL)Health Guideline% of LimitStatus
PFBA0.005 No federal limit1000.0 ug/L(EWG)
0%
Below guideline
PFBS0.005 No federal limit2000.0 ug/L(EPA Health Advisory)
0%
Below guideline

Recommended Water Filters

Based on the contaminants detected in your water supply, these filtration systems are recommended:

Reverse Osmosis (RO)

Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.

Up to 99% PFAS removal

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Compliance & Violations

Active Violations (19)

75

Oct 17, 2024

minor

75

Oct 17, 2024

minor

75

Oct 1, 2012

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Resolved Violations (390)

3A

Dec 1, 2024 — Dec 31, 2024

minor

3A

Dec 1, 2024 — Dec 31, 2024

minor

3A

Dec 1, 2024 — Dec 31, 2024

minor

3A

Dec 1, 2024 — Dec 31, 2024

minor

4G

Oct 17, 2024

minor

+ 385 more resolved violations

Frequently Asked Questions

Is Oconomowoc tap water safe to drink?

Oconomowoc's water meets all EPA maximum contaminant levels. However, 2 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.

What contaminants are in Oconomowoc tap water?

2 contaminants have been detected in Oconomowoc's water supply across 9 water systems. See the full contaminant table above for details.

How can I improve my water quality in Oconomowoc?

Install a water filter rated for the specific contaminants found in Oconomowoc's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.

Does Oconomowoc have any water quality violations?

Yes, Oconomowoc currently has 19 active violations. See the violations section above for details.