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Water system · PWSID SC0410010

WILLIAMSTON TOWN OF (0410010)

WILLIAMSTON, SC · ~6,693 people served

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

PWSID

SC0410010

State

South Carolina

City

WILLIAMSTON

Population served

6,693

Primary source

SWP

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 Oct 2024). Levels in parts per trillion (ppt).

PFBS

3.4 ppt

limit —

No federal limit

Violations & enforcement

15

Violations on record

1

Unaddressed

5

Health-based

21

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2002. Official EPA record →

Reporting · EPA contaminant 5200 began Jul 2025 Unaddressed
Monitoring & reporting · Total coliform began Jul 2001 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 1996 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 1996 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 1996 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 1996 Resolved
Treatment technique · EPA contaminant 0200 health-based began Jul 1993 Resolved
Monitoring & reporting · Nitrate began Jul 1993 Resolved
Monitoring & reporting · Nitrate began Apr 1993 Resolved
Monitoring & reporting · Chromium (total) began Jan 1993 Resolved
Monitoring & reporting · Cadmium began Jan 1993 Resolved
Monitoring & reporting · Antimony began Jan 1993 Resolved

Recent enforcement actions

  • State action · SOX Jan 2002
  • State action · SIF Oct 2001
  • State action · SIA Aug 2001
  • State action · SOX Jun 1997
  • State action · SIF Dec 1996
  • State action · SIF Nov 1996
  • State action · SIA Nov 1996
  • State action · SIF Jul 1996

This profile is built from EPA public records for system SC0410010 — 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.