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Water system · PWSID WA5330235

GUNDERSON WATER WORKS

Napavine, WA · ~53 people served

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

PWSID

WA5330235

State

Washington

City

Napavine

Population served

53

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

46

Violations on record

0

Unaddressed

0

Health-based

13

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2014. Official EPA record →

Monitoring & reporting · Total coliform began Oct 2014 Resolved
Monitoring & reporting · Nitrate began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2982 began Oct 2010 Resolved
Monitoring & reporting · EPA contaminant 2380 began Oct 2010 Resolved
Monitoring & reporting · EPA contaminant 2964 began Oct 2010 Resolved
Monitoring & reporting · EPA contaminant 2968 began Oct 2010 Resolved
Monitoring & reporting · EPA contaminant 2976 began Oct 2010 Resolved
Monitoring & reporting · EPA contaminant 2969 began Oct 2010 Resolved
Monitoring & reporting · EPA contaminant 2977 began Oct 2010 Resolved
Monitoring & reporting · EPA contaminant 2979 began Oct 2010 Resolved
Monitoring & reporting · EPA contaminant 2980 began Oct 2010 Resolved
Monitoring & reporting · EPA contaminant 2378 began Oct 2010 Resolved

Recent enforcement actions

  • State action · SOX Nov 2014
  • State action · SOX Mar 2012
  • State action · SOX Mar 2011
  • State action · SOX Jan 2008
  • State action · SOX Jan 2008
  • 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 WA5330235 — 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.