M

Mequon, WI

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️4 health-based violations on record.
0
Water sources
20
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

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Reported illness & cancer claims

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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

Mequon Water Utility

PWSID:
WI2460112
Source:
Surface water
Serves:
11,152 people

River Lake Subdivision

PWSID:
WI2460685
Source:
Ground water
Serves:
100 people

Woodridge Estates

PWSID:
WI2460824
Source:
Ground water
Serves:
100 people

Mequon On The Square Condominium Owners Association Inc

PWSID:
WI2460955
Source:
Ground water
Serves:
110 people

Wyngate Subdivision

PWSID:
WI2460781
Source:
Ground water
Serves:
100 people

Kenilworth Subd

PWSID:
WI2460796
Source:
Ground water
Serves:
120 people

Mequon Trail Townhomes

PWSID:
WI2460817
Source:
Ground water
Serves:
615 people

Concordia University

PWSID:
WI2460118
Source:
Ground water
Serves:
1,500 people

Country Terrace Condo Homes

PWSID:
WI2460128
Source:
Ground water
Serves:
160 people

Park Place Subdivision

PWSID:
WI2460066
Source:
Ground water
Serves:
260 people

River Trails Estates Water Users

PWSID:
WI2460680
Source:
Ground water
Serves:
84 people

Brighton Ridge Subdivision

PWSID:
WI2460973
Source:
Ground water
Serves:
200 people

Ravine Farms Hm Owners Assoc

PWSID:
WI2460124
Source:
Ground water
Serves:
100 people

Beechwood Farms Estates

PWSID:
WI2460791
Source:
Ground water
Serves:
300 people

Haddonstone Subdivision

PWSID:
WI2460694
Source:
Ground water
Serves:
195 people

Vintage Estates

PWSID:
WI2460705
Source:
Ground water
Serves:
130 people

Highland Colony Estates Condo

PWSID:
WI2460120
Source:
Ground water
Serves:
88 people

Mequon Parc Apartments Llc

PWSID:
WI2460159
Source:
Ground water
Serves:
60 people

Huntington Park

PWSID:
WI2460151
Source:
Ground water
Serves:
600 people

Mequon Colony Estates

PWSID:
WI2460132
Source:
Ground water
Serves:
75 people

Westchester Lakes Subdivision

PWSID:
WI2460794
Source:
Ground water
Serves:
300 people

Pines Subdivision

PWSID:
WI2460982
Source:
Ground water
Serves:
200 people

Mequon Water Trust

PWSID:
WI2460131
Source:
Ground water
Serves:
26 people

EPA & DEP violations

City-wide

20 violations

  • LEAD AND COPPER RULE REVISIONS — RPT violation

    medium severityResolved

    LEAD AND COPPER RULE REVISIONS RPT violation (Resolved).

    EPA SDWIS · RPT · Began Jul 2, 2025 · 1 year ago · Source ↗

  • LEAD AND COPPER RULE REVISIONS — RPT violation

    medium severityUnaddressed

    LEAD AND COPPER RULE REVISIONS RPT violation (Unaddressed).

    EPA SDWIS · RPT · Began Jul 2, 2025 · 1 year ago · Source ↗

  • LEAD AND COPPER RULE REVISIONS — RPT violation

    medium severityResolved

    LEAD AND COPPER RULE REVISIONS RPT violation (Resolved).

    EPA SDWIS · RPT · Began Jul 2, 2025 · 1 year ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 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 Jan 1, 2025 · 1 year ago · Source ↗

  • LEAD AND COPPER RULE REVISIONS — RPT violation

    medium severityResolved

    LEAD AND COPPER RULE REVISIONS RPT violation (Resolved).

    EPA SDWIS · RPT · Began Oct 17, 2024 · 1 year ago · Source ↗

  • LEAD AND COPPER RULE REVISIONS — TT violation

    high severityHealth-basedResolved

    LEAD AND COPPER RULE REVISIONS TT violation (Resolved).

    EPA SDWIS · TT · Began Oct 17, 2024 · 1 year ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Oct 17, 2024 · 1 year ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Oct 17, 2024 · 1 year ago · Source ↗

  • LEAD AND COPPER RULE REVISIONS — RPT violation

    medium severityResolved

    LEAD AND COPPER RULE REVISIONS RPT violation (Resolved).

    EPA SDWIS · RPT · Began Oct 17, 2024 · 1 year ago · Source ↗

  • LEAD AND COPPER RULE REVISIONS — TT violation

    high severityHealth-basedResolved

    LEAD AND COPPER RULE REVISIONS TT violation (Resolved).

    EPA SDWIS · TT · Began Oct 17, 2024 · 1 year ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Oct 17, 2024 · 1 year ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Oct 17, 2024 · 1 year ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Oct 17, 2024 · 1 year ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Oct 17, 2024 · 1 year ago · Source ↗

  • LEAD AND COPPER RULE REVISIONS — TT violation

    high severityHealth-basedResolved

    LEAD AND COPPER RULE REVISIONS TT violation (Resolved).

    EPA SDWIS · TT · Began Oct 17, 2024 · 1 year ago · Source ↗

  • LEAD AND COPPER RULE REVISIONS — RPT violation

    medium severityResolved

    LEAD AND COPPER RULE REVISIONS RPT violation (Resolved).

    EPA SDWIS · RPT · Began Oct 17, 2024 · 1 year ago · Source ↗

  • LEAD AND COPPER RULE REVISIONS — RPT violation

    medium severityResolved

    LEAD AND COPPER RULE REVISIONS RPT violation (Resolved).

    EPA SDWIS · RPT · Began Oct 17, 2024 · 1 year ago · Source ↗

  • LEAD AND COPPER RULE REVISIONS — TT violation

    high severityHealth-basedResolved

    LEAD AND COPPER RULE REVISIONS TT violation (Resolved).

    EPA SDWIS · TT · Began Oct 17, 2024 · 1 year ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Oct 17, 2024 · 1 year ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.