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Water system · PWSID OR4100724

ST HELENS, CITY OF

ST HELENS, OR · ~13,410 people served

Check your exact address → ST HELENS overview
100
Excellent
PurityRadar safety score

PWSID

OR4100724

State

Oregon

City

ST HELENS

Population served

13,410

Primary source

GU

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 Aug 2025). Levels in parts per trillion (ppt).

PFBS

7.8 ppt

limit —

No federal limit

Violations & enforcement

49

Violations on record

0

Unaddressed

1

Health-based

59

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2023. Official EPA record →

Monitoring & reporting · EPA contaminant 0200 began Jul 2023 Resolved
Monitoring & reporting · EPA contaminant 0200 began Jul 2023 Resolved
Monitoring & reporting · EPA contaminant 0200 began Jul 2023 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2023 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2023 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2023 Resolved
Monitoring & reporting · EPA contaminant 0200 began May 2010 Resolved
Monitoring & reporting · EPA contaminant 0200 began May 2010 Resolved
Monitoring & reporting · EPA contaminant 0800 began Jan 2008 Resolved
Monitoring & reporting · Nitrate began Jan 2006 Resolved
Treatment technique · EPA contaminant 0200 health-based began Feb 2004 Resolved
Monitoring & reporting · EPA contaminant 2020 began Jan 2002 Resolved

Recent enforcement actions

  • State action · SOX Sep 2023
  • State action · SOX Sep 2023
  • State action · SOX Aug 2023
  • State action · SOX Feb 2011
  • State action · SOX Feb 2011
  • State action · SIA Aug 2010
  • State action · SOX Jul 2010
  • State action · SOX Jul 2010

This profile is built from EPA public records for system OR4100724 — 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.