ADA VILLAGE

ADA, OH · ~5,334 people served

Check your exact address → ADA overview

100

Excellent

PurityRadar safety score

PWSID

OH3300012

State

Ohio

City

ADA

Population served

5,334

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

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

Lithium

45,800 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2022. Official EPA record →

Other · EPA contaminant 7000 began Jan 2020 Unaddressed

Other · EPA contaminant 7000 began Aug 2022 Resolved

Other · EPA contaminant 7000 began Jul 2018 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2013 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2013 Resolved

Monitoring & reporting · Total coliform began Mar 2010 Resolved

Max contaminant level (MCL) · Total coliform health-based began Sep 1991 Resolved

Recent enforcement actions

State action · SOX Aug 2022
State action · SIA Aug 2022
State action · SIA Jan 2020
State action · SOX Jan 2019
State action · SIA Aug 2018
State action · SOX Jul 2014
State action · SIF Jul 2014
State action · SIA Nov 2013

This profile is built from EPA public records for system OH3300012 — 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.