T

Toppenish, WA

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️4 health-based violations on record.
0
Water sources
54
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

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Reported illness & cancer claims

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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

TOPPENISH WATER DEPARTMENT

PWSID:
WA5388850
Source:
Ground water
Serves:
8,950 people

Fort Simcoe Job Corps Ctr

PWSID:
105300127
Source:
Ground water
Serves:
230 people

EPA & DEP violations

TOPPENISH WATER DEPARTMENT

PWSID WA538885034 violations

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 3253665 (code 27) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 3253689 (code 27) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 3204717 (code 27) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 3204718 (code 27) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 2288748 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2022 · 4 years ago · Source ↗

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 2288749 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2022 · 4 years ago · Source ↗

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityResolved

    EPA SDWIS violation 2288750 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2022 · 4 years ago · Source ↗

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 2288751 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2022 · 4 years ago · Source ↗

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityResolved

    EPA SDWIS violation 2289366 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2022 · 4 years ago · Source ↗

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672210 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672214 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672378 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672380 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672964 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672965 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672968 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672969 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672976 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672977 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672978 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672979 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672980 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672981 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672982 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672983 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672984 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672985 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672987 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672989 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672990 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672991 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672992 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672993 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

  • Monitoring violation — TOPPENISH WATER DEPARTMENT

    low severityOpen

    EPA SDWIS violation 22654672996 (code 03) at TOPPENISH WATER DEPARTMENT (PWSID WA5388850).

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

City-wide

20 violations

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Dec 30, 2025 · 7 months ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Aug 25, 2025 · 11 months ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Aug 25, 2025 · 11 months ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Aug 25, 2025 · 11 months ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Aug 25, 2025 · 11 months ago · Source ↗

  • Groundwater Rule — TT violation

    high severityHealth-basedUnaddressed

    Groundwater Rule TT violation (Unaddressed).

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

  • Groundwater Rule — TT violation

    high severityHealth-basedUnaddressed

    Groundwater Rule TT violation (Unaddressed).

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

  • Groundwater Rule — TT violation

    high severityHealth-basedResolved

    Groundwater Rule TT violation (Resolved).

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

  • Groundwater Rule — TT violation

    high severityHealth-basedUnaddressed

    Groundwater Rule TT violation (Unaddressed).

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

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Jun 1, 2025 · 1 year ago · Source ↗

  • Revised Total Coliform Rule — RPT violation

    medium severityResolved

    Revised Total Coliform Rule RPT violation (Resolved).

    EPA SDWIS · RPT · Began Dec 1, 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 ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

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

  • Revised Total Coliform Rule — RPT violation

    medium severityResolved

    Revised Total Coliform Rule RPT violation (Resolved).

    EPA SDWIS · RPT · Began Nov 1, 2023 · 2 years ago · Source ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Apr 1, 2023 · 3 years ago · Source ↗

  • Revised Total Coliform Rule — RPT violation

    medium severityResolved

    Revised Total Coliform Rule RPT violation (Resolved).

    EPA SDWIS · RPT · Began Jan 11, 2023 · 3 years ago · Source ↗

  • Arsenic — MR violation

    medium severityResolved

    Arsenic MR violation (Resolved).

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

  • Cadmium — MR violation

    medium severityResolved

    Cadmium MR violation (Resolved).

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

  • Chromium — MR violation

    medium severityResolved

    Chromium MR violation (Resolved).

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

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.