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Water system · PWSID OH2502412

AQUA OHIO - BLACKLICK

WESTERVILLE, OH · ~7,100 people served

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

PWSID

OH2502412

State

Ohio

City

WESTERVILLE

Population served

7,100

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

5

Violations on record

0

Unaddressed

4

Health-based

11

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Apr 2007. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Feb 1996 Resolved
Max contaminant level (MCL) · Total coliform health-based began Feb 1996 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 1995 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1992 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1992 Resolved

Recent enforcement actions

  • State action · SOX Apr 2007
  • State action · SOX Apr 2007
  • State action · SOX Jul 1996
  • State action · SIA Jun 1996
  • State action · SIE Jun 1996
  • State action · SIF Apr 1996
  • State action · SIA Mar 1996
  • State action · SIE Mar 1996

This profile is built from EPA public records for system OH2502412 — 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.