DCWS ASHLEY PHOSPHATE (SC1820008)

SUMMERVILLE, SC · ~26,536 people served

Check your exact address → SUMMERVILLE overview

Good

PurityRadar safety score

PWSID

SC1820008

State

South Carolina

City

SUMMERVILLE

Population served

26,536

Primary source

SWP

Score history

▼ 27 points — the score moved from 100 to 73 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 73

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

PFOS

Perfluorooctanesulfonic acid

5.5 ppt

limit 4 ppt

Above EPA limit · 1.4×

PFOA

Perfluorooctanoic acid

4.3 ppt

limit 4 ppt

Above EPA limit · 1.1×

PFPeA

4.8 ppt

limit —

No federal limit

PFHxA

4.2 ppt

limit —

No federal limit

PFBS

3.6 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2022 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2022 Resolved

Monitoring & reporting · Total coliform began Sep 1999 Resolved

Monitoring & reporting · EPA contaminant 0200 began Sep 1999 Resolved

Recent enforcement actions

State action · SOX Feb 2023
State action · SO6 Dec 2022
State action · SOX Apr 2011
State action · SOX Jun 2003
State action · SOX Mar 2000
State action · SIF Oct 1999
State action · SIF Oct 1999

This profile is built from EPA public records for system SC1820008 — 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.