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Water system · PWSID OH2903412

WRIGHT-PATTERSON AFB AREA A PWS

VANDALIA, OH · ~16,551 people served

Check your exact address → VANDALIA overview
86
Excellent
PurityRadar safety score

PWSID

OH2903412

State

Ohio

City

VANDALIA

Population served

16,551

Primary source

Groundwater

Score history

▼ 14 points — the score moved from 100 to 86 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 86

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

4.9 ppt

limit 4 ppt

Above EPA limit · 1.2×

PFHxS

Perfluorohexanesulfonic acid

3.4 ppt

limit 10 ppt

Below EPA limit

PFHxA

25 ppt

limit —

No federal limit

PFPeA

23 ppt

limit —

No federal limit

PFBA

8 ppt

limit —

No federal limit

PFBS

7.2 ppt

limit —

No federal limit

PFHpA

3.6 ppt

limit —

No federal limit

Violations & enforcement

8

Violations on record

0

Unaddressed

6

Health-based

29

Enforcement actions

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

Max contaminant level (MCL) · Total coliform health-based began Oct 1998 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 1998 Resolved
Monitoring & reporting · Total coliform began Oct 1998 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 1998 Resolved
Monitoring & reporting · Nitrate began Jan 1998 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 1996 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 1994 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 1993 Resolved

Recent enforcement actions

  • EPA/federal action · EFL Sep 2024
  • EPA/federal action · EFJ Jan 2024
  • State action · SOX Apr 2007
  • State action · SOX Apr 2007
  • State action · SOX Apr 2007
  • State action · SOX Apr 2007
  • State action · SOX Apr 2007
  • State action · SOX Apr 2007

This profile is built from EPA public records for system OH2903412 — 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.