PWSID
NC0459010
State
North Carolina
City
WILLIAMSTON
Population served
7,650
Primary source
SWP
Score history
▼ 13 points — the score moved from 100 to 87 on Jun 18, 2026, as newly published EPA data was incorporated.
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 Mar 2024). Levels in parts per trillion (ppt).
PFOS
Perfluorooctanesulfonic acid
4.8 ppt
limit 4 ppt
Lithium
9,030 ppt
limit —
Violations & enforcement
2
Violations on record
0
Unaddressed
1
Health-based
3
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Dec 2024. Official EPA record →
Recent enforcement actions
- State action · SOX Dec 2024
- State action · SOX Dec 2024
- State action · SIA Nov 2024
This profile is built from EPA public records for system NC0459010 — 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.