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Water system · PWSID WA5356900

MOUNTAIN VIEW WATER ASSOCIATION

Lynden, WA · ~186 people served

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

PWSID

WA5356900

State

Washington

City

Lynden

Population served

186

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

9

Violations on record

0

Unaddressed

0

Health-based

27

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2015. Official EPA record →

Other · EPA contaminant 7000 began Jul 2015 Resolved
Monitoring & reporting · Total coliform began Apr 2015 Resolved
Other · EPA contaminant 7000 began Jul 2014 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2014 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2014 Resolved
Monitoring & reporting · Nitrate began Jan 2007 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2005 Resolved
Monitoring & reporting · Nitrate began Jan 2004 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1997 Resolved

Recent enforcement actions

  • State action · SOX Oct 2015
  • State action · SOX Jun 2015
  • State action · SOX Jun 2015
  • State action · SOX May 2015
  • State action · SOX Dec 2014
  • State action · SOX Jan 2008
  • State action · SOX Jan 2008
  • State action · SOX Jan 2008

This profile is built from EPA public records for system WA5356900 — 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.