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Water system · PWSID OH1401211

WILMINGTON CITY PWS

WILMINGTON, OH · ~12,401 people served

Check your exact address → WILMINGTON overview
68
Fair
PurityRadar safety score

PWSID

OH1401211

State

Ohio

City

WILMINGTON

Population served

12,401

Primary source

Surface water

Score history

▼ 32 points — the score moved from 100 to 68 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 68

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 May 2023). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

7.3 ppt

limit 4 ppt

Above EPA limit · 1.8×

PFHxS

Perfluorohexanesulfonic acid

7 ppt

limit 10 ppt

Near EPA limit

PFPeA

9.8 ppt

limit —

No federal limit

PFHxA

8.2 ppt

limit —

No federal limit

PFBA

5.8 ppt

limit —

No federal limit

PFHpA

5 ppt

limit —

No federal limit

Violations & enforcement

27

Violations on record

0

Unaddressed

26

Health-based

84

Enforcement actions

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

Other · EPA contaminant 7000 began Dec 2024 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2014 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2013 Resolved
Treatment technique · EPA contaminant 0200 health-based began Jan 1999 Resolved
Treatment technique · EPA contaminant 0200 health-based began May 1995 Resolved
Treatment technique · EPA contaminant 0200 health-based began Apr 1995 Resolved
Treatment technique · EPA contaminant 0200 health-based began Mar 1995 Resolved
Treatment technique · EPA contaminant 0200 health-based began Feb 1995 Resolved
Treatment technique · EPA contaminant 0200 health-based began Jan 1995 Resolved
Treatment technique · EPA contaminant 0200 health-based began Dec 1994 Resolved
Treatment technique · EPA contaminant 0200 health-based began Nov 1994 Resolved
Treatment technique · EPA contaminant 0200 health-based began Oct 1994 Resolved

Recent enforcement actions

  • State action · SOX Feb 2025
  • State action · SIA Dec 2024
  • State action · SOX Apr 2014
  • State action · SIF Mar 2014
  • State action · SIE Feb 2014
  • State action · SIA Feb 2014
  • State action · SIF Dec 2013
  • State action · SIA Nov 2013

This profile is built from EPA public records for system OH1401211 — 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.