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Water system · PWSID 105300109

BEACH

SEQUIM, WA · ~45 people served

Check your exact address → SEQUIM overview
100
Excellent
PurityRadar safety score

PWSID

105300109

State

Washington

City

SEQUIM

Population served

45

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

29

Violations on record

0

Unaddressed

3

Health-based

15

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2024. Official EPA record →

Monitoring & reporting · EPA contaminant 2383 began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 2036 began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 2046 began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 2931 began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 2946 began Jan 2020 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2018 Resolved
Monitoring & reporting · Uranium began Jan 2017 Resolved
Monitoring & reporting · Gross alpha began Jan 2017 Resolved
Monitoring & reporting · Combined radium-226/228 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jan 2016 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 2014 Resolved
Monitoring & reporting · Total coliform began Nov 2014 Resolved

Recent enforcement actions

  • EPA/federal action · EOX Jan 2024
  • EPA/federal action · EOX Feb 2023
  • EPA/federal action · EOX Aug 2018
  • EPA/federal action · EOX Jul 2016
  • EPA/federal action · EOX Apr 2016
  • EPA/federal action · EOX Jan 2015
  • EPA/federal action · EOX Jan 2014
  • EPA/federal action · EOX Aug 2011

Area water-quality monitoring

Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.

ContaminantMedian · max · samples

Nitrate

1 station · latest Jan 2023

993 · max 993 ug/L · 1

Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.

This profile is built from EPA public records for system 105300109 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.