EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records
PUBLIC WATER SYSTEM RECORDPWSID OH0904012

Ohio · Ground water

Hamilton Public Water System

EPA’s September 2026 export lists Hamilton Public Water System (PWSID OH0904012) as Other current violation flag, serving a reported 62,447 people from a ground water source, with 1 rules in current violation.

Source: EPA SDWIS system-search export · Snapshot 13 Sep 2026 · Federal compliance fields

CURRENT EXPORTOther current violation flagEPA's export includes another current compliance flag.
Open EPA Detailed Facility Report ↗

01 / CURRENT FLAGS

EPA compliance flags for Hamilton Public Water System

Hamilton Public Water System is listed as other current violation flag in the current export; the five federal flag categories remain separate below.

  • NOT FLAGGED
    Health-based violationCurrent HEALTH_FLAG in the EPA export.
  • NOT FLAGGED
    Monitoring and reportingCurrent MR_FLAG in the EPA export.
  • NOT FLAGGED
    Public notificationCurrent PN_FLAG in the EPA export.
  • FLAGGED
    Other violationCurrent OTHER_FLAG in the EPA export.
  • NOT FLAGGED
    Serious violatorCurrent serious-violator status in the EPA export.
Important limit

This page is not a household water test. A clear federal flag does not prove every home has safe water, and a flag is not a measurement at your faucet. Plumbing, service lines, local sampling, private wells, and newer events may not be reflected here.

02 / VIOLATION RECORD

Quarters with violations3rolling history field
Quarters with SNC0significant noncompliance
Rules in current violation1EPA export count
Rules in 3-year window2EPA export count

Current rule entries for Hamilton Public Water System

EPA supplied 1 current contaminant, rule, or violation-category entries for Hamilton Public Water System in the exported fields used here.

  • 7000=Consumer Confidence Rule

Three-year entries for Hamilton Public Water System

EPA supplied 2 contaminant or rule entries for Hamilton Public Water System in the three-year history field.

  • 1009=Chlorite
  • 7000=Consumer Confidence Rule

03 / OVERSIGHT & COVERAGE

Visits and sanitary surveys for Hamilton Public Water System

The export lists 2 site visits in five years and 0 significant deficiencies for Hamilton Public Water System.

Site visits, past 5 years
2
Inspection visits
0
Other visits
2
Last sanitary survey
02/11/2025
Last recorded visit
02/11/2025
Significant deficiencies
0

Places served by Hamilton Public Water System

EPA associates Hamilton Public Water System with the listed cities, counties, ZIP codes, and Ohio service area identifiers.

State / territory
Ohio
Cities
Not supplied
Counties
Butler
ZIP codes
Not supplied
Federal PWSID
OH0904012
Registry ID
110013284515

04 / HOW TO USE THIS RECORD

Current public records for Hamilton Public Water System

EPA’s facility report, the Ohio drinking-water program, and Hamilton Public Water System’s Consumer Confidence Report are the current public records beyond this September 2026 snapshot.

Confirm current conditions with the utility's latest Consumer Confidence Report, your state drinking-water program, and the EPA facility report. For household concerns, ask a qualified local laboratory about tap testing.

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