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Water system · PWSID WA5362000

Northwest Water Assoc. Inc.

Lynden, WA · ~400 people served

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

PWSID

WA5362000

State

Washington

City

Lynden

Population served

400

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

Latest detections from EPA’s UCMR5 monitoring (through May 2025). Levels in parts per trillion (ppt).

PFBS

4.1 ppt

limit —

No federal limit

Violations & enforcement

62

Violations on record

0

Unaddressed

0

Health-based

17

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2018. Official EPA record →

Other · EPA contaminant 7000 began Jul 2018 Resolved
Monitoring & reporting · EPA contaminant 2982 began Jul 2010 Resolved
Monitoring & reporting · EPA contaminant 2378 began Jul 2010 Resolved
Monitoring & reporting · EPA contaminant 2976 began Jul 2010 Resolved
Monitoring & reporting · EPA contaminant 2980 began Jul 2010 Resolved
Monitoring & reporting · EPA contaminant 2981 began Jul 2010 Resolved
Monitoring & reporting · EPA contaminant 2964 began Jul 2010 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jul 2010 Resolved
Monitoring & reporting · EPA contaminant 2968 began Jul 2010 Resolved
Monitoring & reporting · EPA contaminant 2969 began Jul 2010 Resolved
Monitoring & reporting · EPA contaminant 2979 began Jul 2010 Resolved
Monitoring & reporting · EPA contaminant 2977 began Jul 2010 Resolved

Recent enforcement actions

  • State action · SOX Aug 2018
  • State action · SOX Aug 2011
  • State action · SFK Jan 2009
  • State action · SOX Mar 2008
  • State action · SOX Mar 2008
  • State action · SOX Mar 2008
  • State action · SOX Mar 2008
  • State action · SOX Mar 2008

This profile is built from EPA public records for system WA5362000 — 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.