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Water system · PWSID WA5355035

MINERAL HEIGHTS ASSOCIATION

Friday Harbor, WA · ~46 people served

Check your exact address → Friday Harbor overview
100
Excellent
PurityRadar safety score

PWSID

WA5355035

State

Washington

City

Friday Harbor

Population served

46

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

27

Violations on record

0

Unaddressed

0

Health-based

14

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2025. Official EPA record →

Other · EPA contaminant 7000 began Jul 2024 Resolved
Monitoring & reporting · Nitrate began Jan 2021 Resolved
Monitoring & reporting · Nitrate began Jan 2020 Resolved
Other · EPA contaminant 7000 began Jul 2017 Resolved
Other · EPA contaminant 7000 began Jul 2016 Resolved
Monitoring & reporting · EPA contaminant 2976 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2969 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2981 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2980 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2982 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2968 began Jan 2005 Resolved

Recent enforcement actions

  • State action · SOX Feb 2025
  • State action · SOX May 2022
  • State action · SOX Sep 2017
  • State action · SOX Oct 2016
  • State action · SOX May 2010
  • State action · SOX Jun 2005
  • State action · SOX Jun 2005
  • State action · SOX Jun 2005

This profile is built from EPA public records for system WA5355035 — 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.