G

Grinnell, IA

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️14 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

Grinnell Water Department

PWSID:
IA7930008
Source:
Ground water
Serves:
9,564 people

Grinnell MHP Mhc

PWSID:
IA7930601
Source:
Ground water
Serves:
313 people

EPA & DEP violations

Grinnell Water Department

PWSID IA793000817 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 ↗

  • Gross Alpha, Excl. Radon and U — MR violation

    medium severityArchived

    Gross Alpha, Excl. Radon and U MR violation (Archived).

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

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

    medium severityArchived

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

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

  • Gross Alpha, Excl. Radon and U — MCL violation

    high severityHealth-basedArchived

    Gross Alpha, Excl. Radon and U MCL violation (Archived).

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

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

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

  • Gross Alpha, Excl. Radon and U — MCL violation

    high severityHealth-basedArchived

    Gross Alpha, Excl. Radon and U MCL violation (Archived).

    EPA SDWIS · MCL · Began Oct 1, 2024 · 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, 2024 · 2 years ago · Source ↗

  • Gross Alpha, Excl. Radon and U — MCL violation

    high severityHealth-basedArchived

    Gross Alpha, Excl. Radon and U MCL violation (Archived).

    EPA SDWIS · MCL · Began Jul 1, 2024 · 2 years ago · Source ↗

  • Gross Alpha, Excl. Radon and U — MCL violation

    high severityHealth-basedArchived

    Gross Alpha, Excl. Radon and U MCL violation (Archived).

    EPA SDWIS · MCL · Began Apr 1, 2024 · 2 years ago · Source ↗

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

    high severityHealth-basedArchived

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

    EPA SDWIS · MCL · Began Apr 1, 2024 · 2 years ago · Source ↗

  • Gross Alpha, Excl. Radon and U — MCL violation

    high severityHealth-basedArchived

    Gross Alpha, Excl. Radon and U MCL violation (Archived).

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

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

    high severityHealth-basedArchived

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

    EPA SDWIS · MCL · Began Jan 1, 2024 · 2 years 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, 2023 · 3 years ago · Source ↗

City-wide

3 violations

  • Revised Total Coliform Rule — TT violation

    high severityHealth-basedResolved

    Revised Total Coliform Rule TT violation (Resolved).

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

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Jan 22, 2024 · 2 years ago · Source ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Sep 1, 2023 · 2 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.