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Water system · PWSID WV3305412

WILLIAMSTOWN WATER DEPT

WILLIAMSTOWN, WV · ~3,469 people served

Check your exact address → WILLIAMSTOWN overview
61
Fair
PurityRadar safety score

PWSID

WV3305412

State

West Virginia

City

WILLIAMSTOWN

Population served

3,469

Primary source

Groundwater

Score history

▼ 39 points — the score moved from 100 to 61 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 61

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 Nov 2023). Levels in parts per trillion (ppt).

PFOA

Perfluorooctanoic acid

32 ppt

limit 4 ppt

Above EPA limit · 8.0×

PFHxS

Perfluorohexanesulfonic acid

8.7 ppt

limit 10 ppt

Near EPA limit

PFBS

7.4 ppt

limit —

No federal limit

PFBA

6 ppt

limit —

No federal limit

PFHxA

5.2 ppt

limit —

No federal limit

PFHpA

3.9 ppt

limit —

No federal limit

PFPeA

3.5 ppt

limit —

No federal limit

Violations & enforcement

28

Violations on record

4

Unaddressed

2

Health-based

38

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Oct 2025 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Oct 2024 Unaddressed
Other · EPA contaminant 7000 began Jul 2019 Unaddressed
Other · EPA contaminant 7000 began Oct 2018 Unaddressed
Other · EPA contaminant 7000 began Oct 2024 Resolved
Treatment technique · EPA contaminant 0700 health-based began Dec 2020 Resolved
Other · EPA contaminant 0700 began Apr 2020 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2019 Resolved
Other · EPA contaminant 7500 began Aug 2014 Resolved
Monitoring & reporting · EPA contaminant 2051 began Jan 2014 Resolved
Monitoring & reporting · Total coliform began Jul 2013 Resolved
Monitoring & reporting · EPA contaminant 2040 began Jan 2008 Resolved

Recent enforcement actions

  • State action · SFJ Nov 2025
  • State action · SIE Nov 2025
  • State action · SIF Oct 2025
  • State action · SIE Nov 2024
  • State action · SFJ Nov 2024
  • State action · SOX Sep 2024
  • State action · SFJ Sep 2024
  • State action · SOX May 2021

This profile is built from EPA public records for system WV3305412 — 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.