BUTLER CO. WATER DISTRICT 2 PWS

HAMILTON, OH · ~116,572 people served

Check your exact address → HAMILTON overview

100

Excellent

PurityRadar safety score

PWSID

OH0900303

State

Ohio

City

HAMILTON

Population served

116,572

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

PFHxS

Perfluorohexanesulfonic acid

4.7 ppt

limit 10 ppt

Below EPA limit

PFBS

3.5 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Other · EPA contaminant 7500 began Aug 2024 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2023 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2021 Resolved

Other · EPA contaminant 7000 began Feb 2020 Resolved

Max contaminant level (MCL) · Total coliform health-based began Aug 1997 Resolved

Max contaminant level (MCL) · Total coliform health-based began Sep 1995 Resolved

Monitoring & reporting · Total coliform began Sep 1995 Resolved

Recent enforcement actions

State action · SIF Dec 2024
State action · SOX Dec 2024
State action · SIA Dec 2024
State action · SIE Aug 2023
State action · SIA Aug 2023
State action · SOX Aug 2023
State action · SIF Jun 2022
State action · SIE Feb 2022

This profile is built from EPA public records for system OH0900303 — 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.