S

Superior, WI

no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️2 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

Superior Water Light & Power Company

PWSID:
WI8160147
Source:
Surface water
Serves:
26,084 people

Manitou Falls Sanitary District No 1

PWSID:
WI8160145
Source:
Ground water
Serves:
95 people

EPA & DEP violations

City-wide

20 violations
  • Groundwater Rule — Other violation

    medium severityUnaddressed

    Groundwater Rule Other violation (Unaddressed).

    EPA SDWIS · Other · Began Mar 21, 2026 · 4 months ago · Source ↗

  • E. COLI — MR violation

    medium severityUnaddressed

    E. COLI MR violation (Unaddressed).

    EPA SDWIS · MR · Began Jan 14, 2026 · 6 months ago · Source ↗

  • E. COLI — MR violation

    medium severityUnaddressed

    E. COLI MR violation (Unaddressed).

    EPA SDWIS · MR · Began Dec 24, 2025 · 7 months ago · Source ↗

  • E. COLI — MR violation

    medium severityUnaddressed

    E. COLI MR violation (Unaddressed).

    EPA SDWIS · MR · Began Dec 10, 2025 · 8 months ago · Source ↗

  • E. COLI — MR violation

    medium severityUnaddressed

    E. COLI MR violation (Unaddressed).

    EPA SDWIS · MR · Began Oct 15, 2025 · 9 months ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityUnaddressed

    Consumer Confidence Rule Other violation (Unaddressed).

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

  • Lead and Copper Rule — MR violation

    medium severityUnaddressed

    Lead and Copper Rule MR violation (Unaddressed).

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

  • Consumer Confidence Rule — Other violation

    medium severityUnaddressed

    Consumer Confidence Rule Other violation (Unaddressed).

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

  • Lead and Copper Rule — TT violation

    high severityHealth-basedUnaddressed

    Lead and Copper Rule TT violation (Unaddressed).

    EPA SDWIS · TT · Began Mar 26, 2025 · 1 year ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Mar 26, 2025 · 1 year ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

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

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Feb 10, 2025 · 1 year ago · Source ↗

  • Revised Total Coliform Rule — RPT violation

    medium severityResolved

    Revised Total Coliform Rule RPT violation (Resolved).

    EPA SDWIS · RPT · Began Feb 10, 2025 · 1 year ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Feb 10, 2025 · 1 year ago · Source ↗

  • Revised Total Coliform Rule — TT violation

    high severityHealth-basedResolved

    Revised Total Coliform Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Feb 10, 2025 · 1 year ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Jan 16, 2025 · 1 year ago · Source ↗

  • E. COLI — MR violation

    medium severityUnaddressed

    E. COLI MR violation (Unaddressed).

    EPA SDWIS · MR · Began Jan 16, 2025 · 1 year ago · Source ↗

  • Nitrate — MR violation

    medium severityArchived

    Nitrate MR violation (Archived).

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

  • TTHM — MR violation

    medium severityArchived

    TTHM MR violation (Archived).

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

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

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

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.