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Water system · PWSID OH3946712

NORTHERN OHIO RURAL WATER-SOUTH DISTRICT

NORWALK, OH · ~5,226 people served

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

PWSID

OH3946712

State

Ohio

City

NORWALK

Population served

5,226

Primary source

SWP

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

Latest detections from EPA’s UCMR5 monitoring (through Jun 2023). Levels in parts per trillion (ppt).

PFBA

16 ppt

limit —

No federal limit

Violations & enforcement

8

Violations on record

3

Unaddressed

5

Health-based

23

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2025. Official EPA record →

Reporting · EPA contaminant 5200 began Jul 2025 Unaddressed
Other · EPA contaminant 7000 began Nov 2020 Unaddressed
Other · EPA contaminant 7000 began Jan 2019 Unaddressed
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2013 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2012 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2012 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2012 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2012 Resolved

Recent enforcement actions

  • State action · SIE Oct 2025
  • State action · SIA Oct 2025
  • State action · SIA Nov 2020
  • State action · SIF Apr 2014
  • State action · SOX Feb 2014
  • State action · SIF Jan 2014
  • State action · SFK Jan 2014
  • State action · SIE Dec 2013

This profile is built from EPA public records for system OH3946712 — 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.