M

Maple Park, IL

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️7 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

Maple Park

PWSID:
IL0890500
Source:
Ground water
Serves:
1,484 people

EPA & DEP violations

City-wide

20 violations

  • Combined Radium (-226 and -228) — MCL violation

    high severityHealth-basedArchived

    Combined Radium (-226 and -228) MCL violation (Archived).

    EPA SDWIS · MCL · Began Jan 1, 2026 · 7 months ago · Source ↗

  • Combined Radium (-226 and -228) — MCL violation

    high severityHealth-basedArchived

    Combined Radium (-226 and -228) MCL violation (Archived).

    EPA SDWIS · MCL · Began Oct 1, 2025 · 10 months ago · Source ↗

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Sep 19, 2025 · 10 months ago · Source ↗

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Sep 19, 2025 · 10 months 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 ↗

  • Combined Radium (-226 and -228) — MCL violation

    high severityHealth-basedArchived

    Combined Radium (-226 and -228) MCL violation (Archived).

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

  • Combined Radium (-226 and -228) — MR violation

    medium severityResolved

    Combined Radium (-226 and -228) MR violation (Resolved).

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

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Feb 1, 2024 · 2 years ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

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

  • TTHM — MR violation

    medium severityResolved

    TTHM MR violation (Resolved).

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

  • Total Haloacetic Acids (HAA5) — MR violation

    medium severityResolved

    Total Haloacetic Acids (HAA5) MR violation (Resolved).

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

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 1, 2021 · 5 years ago · Source ↗

  • OXAMYL — MR violation

    medium severityResolved

    OXAMYL MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2017 · 9 years ago · Source ↗

  • Carbofuran — MR violation

    medium severityResolved

    Carbofuran MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2017 · 9 years ago · Source ↗

  • Combined Radium (-226 and -228) — MCL violation

    high severityHealth-basedResolved

    Combined Radium (-226 and -228) MCL violation (Resolved).

    EPA SDWIS · MCL · Began Apr 1, 2014 · 12 years ago · Source ↗

  • Combined Radium (-226 and -228) — MCL violation

    high severityHealth-basedResolved

    Combined Radium (-226 and -228) MCL violation (Resolved).

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

  • Combined Radium (-226 and -228) — MCL violation

    high severityHealth-basedResolved

    Combined Radium (-226 and -228) MCL violation (Resolved).

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

  • Combined Radium (-226 and -228) — MCL violation

    high severityHealth-basedResolved

    Combined Radium (-226 and -228) MCL violation (Resolved).

    EPA SDWIS · MCL · Began Jul 1, 2013 · 13 years ago · Source ↗

  • Coliform (TCR) — MR violation

    medium severityResolved

    Coliform (TCR) MR violation (Resolved).

    EPA SDWIS · MR · Began Nov 1, 2011 · 14 years ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 1, 2011 · 14 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.