BGWC ROCK BLUFF S/D (4550001)

COLUMBIA, SC · ~45 people served

Check your exact address → COLUMBIA overview

100

Excellent

PurityRadar safety score

PWSID

SC4550001

State

South Carolina

City

COLUMBIA

Population served

Primary source

Groundwater

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

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2024. Official EPA record →

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

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

Monitoring & reporting · Total coliform began Feb 2003 Resolved

Recent enforcement actions

State action · SOX Sep 2024
State action · SO6 Dec 2022
State action · SOX Apr 2003
State action · SIA Apr 2003
State action · SIF Jun 1990
State action · SIF Jun 1990
State action · SIA May 1990

This profile is built from EPA public records for system SC4550001 — 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.