Ohio Water Systems

Ohio public water system directory

This directory lists the public water system profiles currently available for Ohio. It is not a complete statewide inventory, and it is not an address-level service lookup.

Compare Systems

3 available Ohio system records

Compare the PWSID, linked community, source-water context, and report year currently available for each Ohio record.

All systems are shown.

PWSIDSystemCitiesCountiesSource waterViolation records shownLatest CCR
OH5703512DAYTON PUBLIC WATER SYSTEMDaytonNot verifiedGroundwater from the Great Miami River Buried Valley Aquifer supplied by the Miami and Mad River Well FieldsNo violation records shown in available records2025
OH7608112CANTON PUBLIC WATER SYSTEMCantonNot verifiedGroundwater from underground wells at three well fieldsNo violation records shown in available records2025
OH0904012HAMILTON PUBLIC WATER SYSTEMHamiltonNot verifiedGroundwater from the Great Miami Buried Valley AquiferNo violation records shown in available records2025
PWSIDOH5703512
SystemDAYTON PUBLIC WATER SYSTEM
CitiesDayton
CountiesNot verified
Source waterGroundwater from the Great Miami River Buried Valley Aquifer supplied by the Miami and Mad River Well Fields
Violation records shownNo violation records shown in available records
Latest CCR2025
PWSIDOH7608112
SystemCANTON PUBLIC WATER SYSTEM
CitiesCanton
CountiesNot verified
Source waterGroundwater from underground wells at three well fields
Violation records shownNo violation records shown in available records
Latest CCR2025
PWSIDOH0904012
SystemHAMILTON PUBLIC WATER SYSTEM
CitiesHamilton
CountiesNot verified
Source waterGroundwater from the Great Miami Buried Valley Aquifer
Violation records shownNo violation records shown in available records
Latest CCR2025

Profiles

Open a Ohio public water system profile

Each of these 3 profiles keeps its source links, annual-report details, limitations, and summarized CCR entries together.

Last updated: EPA data

DAYTON PUBLIC WATER SYSTEM

PWSID OH5703512

View system profile

System-level profile for Dayton. Use it to review report-year context, source links, available violation records, contaminant relationships, and limitations.

System type
Community water system
Communities
Dayton
Counties
County not listed
Latest CCR
2025
Last updated: EPA data

CANTON PUBLIC WATER SYSTEM

PWSID OH7608112

View system profile

System-level profile for Canton. Use it to review report-year context, source links, available violation records, contaminant relationships, and limitations.

System type
Community water system
Communities
Canton
Counties
County not listed
Latest CCR
2025
Last updated: EPA data

HAMILTON PUBLIC WATER SYSTEM

PWSID OH0904012

View system profile

System-level profile for Hamilton. Use it to review report-year context, source links, available violation records, contaminant relationships, and limitations.

System type
Community water system
Communities
Hamilton
Counties
County not listed
Latest CCR
2025
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