S

Sequim, WA

—no score

Contamination score

Higher = more contaminated vs. other cities.

0
Water sources
20
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

Share this with friends & family you care about ❤️

Help someone you love know what's in their water — we'll email them Sequim's report. No sign-ups, no list.

Reported illness & cancer claims

No claims reported yet. Be the first to add one.

Claims are aggregated from public records and community reports and may be unverified. If you believe your illness is linked to local water, request a consultation.

Self-reported issues

No issues reported yet. Be the first to report one.

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

Get water alerts for Sequim, WA

We'll email you when a new violation, lawsuit, or health report appears for Sequim's water. Free, unsubscribe anytime.

Home water filtration system

Protect your home

Improve Sequim's water

A certified filtration system can remove lead, PFAS, nitrates, and the contaminants flagged on this page. Get a free, no-obligation quote tailored to your home.

What are you interested in?

By submitting you agree to be contacted about water treatment options.

Public water systems

Mt. Vista - Dungeness Golf Course

PWSID:
105388889
Source:
Ground water
Serves:
517 people

Beach

PWSID:
105300109
Source:
Ground water
Serves:
45 people

EPA & DEP violations

City-wide

20 violations

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

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

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

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

  • Carbofuran — MR violation

    medium severityResolved

    Carbofuran MR violation (Resolved).

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

  • Carbofuran — MR violation

    medium severityResolved

    Carbofuran MR violation (Resolved).

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

  • 1,2-DIBROMO-3-CHLOROPROPANE — MR violation

    medium severityArchived

    1,2-DIBROMO-3-CHLOROPROPANE MR violation (Archived).

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

  • 1,2-DIBROMO-3-CHLOROPROPANE — MR violation

    medium severityArchived

    1,2-DIBROMO-3-CHLOROPROPANE MR violation (Archived).

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

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

    medium severityResolved

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

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

  • Endothall — MR violation

    medium severityResolved

    Endothall MR violation (Resolved).

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

  • Endothall — MR violation

    medium severityResolved

    Endothall MR violation (Resolved).

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

  • Diquat — MR violation

    medium severityResolved

    Diquat MR violation (Resolved).

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

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

    medium severityArchived

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

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

  • Diquat — MR violation

    medium severityResolved

    Diquat MR violation (Resolved).

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

  • ETHYLENE DIBROMIDE — MR violation

    medium severityArchived

    ETHYLENE DIBROMIDE MR violation (Archived).

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

  • Glyphosate — MR violation

    medium severityResolved

    Glyphosate MR violation (Resolved).

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

  • OXAMYL — MR violation

    medium severityResolved

    OXAMYL MR violation (Resolved).

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

  • ETHYLENE DIBROMIDE — MR violation

    medium severityArchived

    ETHYLENE DIBROMIDE MR violation (Archived).

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

  • Glyphosate — MR violation

    medium severityResolved

    Glyphosate MR violation (Resolved).

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

  • OXAMYL — MR violation

    medium severityResolved

    OXAMYL MR violation (Resolved).

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

  • ETHYLENE DIBROMIDE — MR violation

    medium severityResolved

    ETHYLENE DIBROMIDE MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2020 · 6 years ago · Source ↗

  • Total Polychlorinated Biphenyls (PCB) — MR violation

    medium severityResolved

    Total Polychlorinated Biphenyls (PCB) MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2020 · 6 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.