Z

Zillah, WA

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️2 health-based violations on record.
0
Water sources
26
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

ZILLAH CITY OF

PWSID:
WA5399800
Source:
Ground water
Serves:
3,518 people

B & D Mobile Court

PWSID:
105300073
Source:
Ground water
Serves:
45 people

EPA & DEP violations

ZILLAH CITY OF

PWSID WA53998006 violations

  • Monitoring violation — ZILLAH CITY OF

    low severityOpen

    EPA SDWIS violation 2464819 (code 03) at ZILLAH CITY OF (PWSID WA5399800).

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

  • Monitoring violation — ZILLAH CITY OF

    low severityOpen

    EPA SDWIS violation 2465687 (code 03) at ZILLAH CITY OF (PWSID WA5399800).

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

  • MCL exceedance — ZILLAH CITY OF

    high severityHealth-basedResolved

    EPA SDWIS violation 3043282 (code 1A) at ZILLAH CITY OF (PWSID WA5399800).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2023 · 2 years ago · Source ↗

  • Monitoring violation — ZILLAH CITY OF

    low severityResolved

    EPA SDWIS violation 2280548 (code 03) at ZILLAH CITY OF (PWSID WA5399800).

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

  • Monitoring violation — ZILLAH CITY OF

    low severityResolved

    EPA SDWIS violation 1839987 (code 03) at ZILLAH CITY OF (PWSID WA5399800).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2018 · 8 years ago · Source ↗

  • Monitoring violation — ZILLAH CITY OF

    low severityResolved

    EPA SDWIS violation 2229270 (code 3A) at ZILLAH CITY OF (PWSID WA5399800).

    EPA SDWIS · Monitoring violation · Began Dec 1, 2017 · 8 years ago · Source ↗

City-wide

20 violations

  • Revised Total Coliform Rule — MON violation

    medium severityArchived

    Revised Total Coliform Rule MON violation (Archived).

    EPA SDWIS · MON · Began Mar 1, 2026 · 5 months ago · Source ↗

  • Chlorine — MR violation

    medium severityArchived

    Chlorine MR violation (Archived).

    EPA SDWIS · MR · Began Mar 1, 2026 · 5 months ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityUnaddressed

    Lead and Copper Rule MR violation (Unaddressed).

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

  • Lead and Copper Rule — MR violation

    medium severityUnaddressed

    Lead and Copper Rule MR violation (Unaddressed).

    EPA SDWIS · MR · Began Oct 31, 2025 · 9 months ago · Source ↗

  • Revised Total Coliform Rule — RPT violation

    medium severityUnaddressed

    Revised Total Coliform Rule RPT violation (Unaddressed).

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

  • Chlorine — MR violation

    medium severityArchived

    Chlorine MR violation (Archived).

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

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

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

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Dec 13, 2024 · 1 year ago · Source ↗

  • Revised Total Coliform Rule — RPT violation

    medium severityResolved

    Revised Total Coliform Rule RPT violation (Resolved).

    EPA SDWIS · RPT · Began Nov 1, 2024 · 1 year ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Nov 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 ↗

  • 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 ↗

  • Revised Total Coliform Rule — RPT violation

    medium severityResolved

    Revised Total Coliform Rule RPT violation (Resolved).

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

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

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

  • Revised Total Coliform Rule — RPT violation

    medium severityResolved

    Revised Total Coliform Rule RPT violation (Resolved).

    EPA SDWIS · RPT · Began Aug 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 ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Dec 30, 2022 · 3 years ago · Source ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Nov 1, 2020 · 5 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Oct 2, 2020 · 5 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.