O

Oconomowoc, WI

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️2 health-based violations on record.
0
Water sources
11
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

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Reported illness & cancer claims

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Claims are aggregated from public records and community reports and may be unverified. If you believe your illness is linked to local water, request a consultation.

Self-reported issues

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Pollution sources & reported claims near your water

Factories, greenhouses, and contaminated sites mapped around the water supply. Tap any circle for detail.

Critical High Medium Reported claim

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Public water systems

Oconomowoc Waterworks

PWSID:
WI2680227
Source:
Ground water
Serves:
15,805 people

Lake Drive Water Trust

PWSID:
WI2683440
Source:
Ground water
Serves:
500 people

Sunnyfield Acres

PWSID:
WI2680225
Source:
Ground water
Serves:
300 people

Genesee Lake School North

PWSID:
WI2680806
Source:
Ground water
Serves:
110 people

Genesee Lake School South

PWSID:
WI2683331
Source:
Ground water
Serves:
230 people

EPA & DEP violations

Lake Drive Water Trust

PWSID WI26834404 violations

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 1, 2025 · 1 year ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2024 · 2 years ago · Source ↗

  • Revised Total Coliform Rule — MCL violation

    high severityHealth-basedResolved

    Revised Total Coliform Rule MCL violation (Resolved).

    EPA SDWIS · MCL · Began Oct 1, 2019 · 6 years ago · Source ↗

  • Coliform (TCR) — MCL violation

    high severityHealth-basedResolved

    Coliform (TCR) MCL violation (Resolved).

    EPA SDWIS · MCL · Began Nov 1, 2013 · 12 years ago · Source ↗

City-wide

7 violations

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2014 · 12 years ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Oct 1, 2012 · 13 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2012 · 14 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2012 · 14 years ago · Source ↗

  • Violation — Violation violation

    medium severity

    Contaminant Violation violation.

    EPA SDWIS · Violation · Began — · Source ↗

  • Violation — Violation violation

    medium severity

    Contaminant Violation violation.

    EPA SDWIS · Violation · Began — · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.