T

Thomson, IL

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️1 health-based violation on record.
0
Water sources
5
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

Thomson

PWSID:
IL0150350
Source:
Ground water
Serves:
580 people

Thomson Maximum Security Center

PWSID:
IL0150030
Source:
Ground water
Serves:
2,166 people

EPA & DEP violations

City-wide

5 violations

  • 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) — MR violation

    medium severityResolved

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

    EPA SDWIS · MR · Began Jul 1, 2022 · 4 years 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, 2021 · 5 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, 2015 · 11 years ago · 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.