A

Assumption, IL

—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

Assumption

PWSID:
IL0210050
Source:
Ground water
Serves:
1,315 people

EPA & DEP violations

Assumption

PWSID IL021005020 violations

  • TTHM — MR violation

    medium severityArchived

    TTHM MR violation (Archived).

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

  • Total Haloacetic Acids (HAA5) — MR violation

    medium severityArchived

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

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

  • TTHM — MR violation

    medium severityUnaddressed

    TTHM MR violation (Unaddressed).

    EPA SDWIS · MR · Began Dec 18, 2025 · 7 months ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Oct 13, 2025 · 9 months ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Oct 13, 2025 · 9 months ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Oct 13, 2025 · 9 months ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Aug 22, 2025 · 11 months 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 ↗

  • TTHM — MCL violation

    high severityHealth-basedResolved

    TTHM MCL violation (Resolved).

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

  • Nitrate — MR violation

    medium severityResolved

    Nitrate MR violation (Resolved).

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

  • Nitrate — MR violation

    medium severityResolved

    Nitrate MR violation (Resolved).

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

  • Nitrate — MR violation

    medium severityResolved

    Nitrate MR violation (Resolved).

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

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 12, 2024 · 2 years ago · Source ↗

  • TTHM — MCL violation

    high severityHealth-basedResolved

    TTHM MCL violation (Resolved).

    EPA SDWIS · MCL · Began Jul 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 Jul 1, 2023 · 3 years ago · Source ↗

  • TTHM — MR violation

    medium severityResolved

    TTHM MR violation (Resolved).

    EPA SDWIS · MR · Began Jul 1, 2023 · 3 years ago · Source ↗

  • TTHM — MR violation

    medium severityResolved

    TTHM MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 21, 2023 · 3 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 1, 2020 · 6 years ago · Source ↗

  • Nitrate — MCL violation

    high severityHealth-basedResolved

    Nitrate MCL violation (Resolved).

    EPA SDWIS · MCL · Began Jul 1, 2019 · 7 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.