SHAW AFB (SC4310501)

SHAW AFB, SC · ~5,125 people served

Check your exact address → SHAW AFB overview

Fair

PurityRadar safety score

PWSID

SC4310501

State

South Carolina

City

SHAW AFB

Population served

5,125

Primary source

Groundwater

Score history

▼ 43 points — the score moved from 100 to 57 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 57

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

PFOS

Perfluorooctanesulfonic acid

6.2 ppt

limit 4 ppt

Above EPA limit · 1.5×

PFOA

Perfluorooctanoic acid

6.1 ppt

limit 4 ppt

Above EPA limit · 1.5×

PFHxS

Perfluorohexanesulfonic acid

4.2 ppt

limit 10 ppt

Below EPA limit

PFHxA

4.5 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2010. Official EPA record →

Monitoring & reporting · Total coliform began Jun 2010 Resolved

Max contaminant level (MCL) · EPA contaminant 2984 health-based began Oct 2009 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2001 Resolved

Treatment technique · Lead & Copper Rule health-based began Jan 2000 Resolved

Recent enforcement actions

State action · SOX Sep 2010
State action · SOX Aug 2010
State action · SFM May 2010
State action · SFO May 2010
State action · SIF Jan 2010
State action · SFN Jan 2010
State action · SFJ Jan 2010
State action · SIA Dec 2009

This profile is built from EPA public records for system SC4310501 — 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.