How many drinking water utilities are in Ohio?

Ohio has 158 drinking water utilities serving more than 10,000 people listed in this directory.

What does 'people served' mean?

People served refers to the total population that receives water service from the utility. This number represents the estimated number of residents within the utility's service area.

Why are utilities listed by city?

Utilities are listed by their primary city of operation to help users find water services in their local area. Some utilities may serve multiple cities or unincorporated areas within a region.

How can I get more details about a utility?

Click on any utility name or the 'View Profile' button to access the full utility profile page, which includes detailed information, contact details, and compliance data.

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Drinking Water Utilities in Ohio

Browse utilities serving more than 10,000 people by location and population served.

Utilities listed

158

Total people served

8,940,421

Largest utility

Cleveland Public Water System

1,308,955 people

Coverage

100%

with population data

Ohio has 158 drinking water utilities serving more than 10,000 people in this directory. The largest utility by population served is Cleveland Public Water System, serving 1,308,955 people. Utilities are listed with their city location and population served.

People Served:

01,308,955

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Utility Name	City	People Served	Action
Cleveland Public Water System	Cleveland	1,308,955	View Profile
Columbus Public Water System	Columbus	1,288,850	View Profile
Cincinnati Public Water System	Cincinnati	750,200	View Profile
City of Toledo	Toledo	480,000	View Profile
Akron City Public Water System	Kent	280,000	View Profile
Del-Co Water Company Inc.	Delaware	150,000	View Profile
Montgomery County Water Services 1 Public Water System	Kettering	149,410	View Profile
Youngstown City Public Water System	Youngstown	148,000	View Profile
Dayton Public Water System	Dayton	140,407	View Profile
Clermont Public Water System	Batavia	133,059	View Profile
Butler County Water District 2 Public Water System	Oxford	113,495	View Profile
Canton Public Water System	Canton	107,113	View Profile
Aqua Ohio - City of Massillon	Massillon	95,636	View Profile
Montgomery County Water Services	Kettering	82,805	View Profile
Lake County West Water Subdistrict	Painesville	78,379	View Profile
Aqua Ohio Inc. - Mentor	Mentor	74,500	View Profile
Rural Lorain County Water Authority	Lagrange	73,125	View Profile
Elyria Water Department	Lorain	68,000	View Profile
Lima City	Lima	65,619	View Profile
City of Lorain	Lorain	64,152	View Profile
Hamilton Public Water System	Fairfield	62,447	View Profile
City of Springfield	Springfield	60,680	View Profile
Aqua Ohio - Struthers	Struthers	58,551	View Profile
Findlay City	Findlay	54,040	View Profile
Greene County. - Northwest Reg. Water	Beavercreek	51,229	View Profile
Middletown City PWS	Trenton	51,229	View Profile
Cuyahoga Falls City PWS	Cuyahoga Falls	51,114	View Profile
Mansfield City	Mansfield	51,000	View Profile
City of Lakewood	Lakewood	50,942	View Profile
Newark City PWS	Newark	49,934	View Profile
Warren City PWS	Warren	49,130	View Profile
Medina Co/Northwest PWS	Medina	46,324	View Profile
Aqua Ohio - Marion	Marion	46,317	View Profile
Fairfield City PWS	Fairfield	44,907	View Profile
Delaware City PWS	Delaware	43,895	View Profile
Huber Heights Public Water System	Huber Heights	43,439	View Profile
Southwest Regional Water District	Hamilton	43,108	View Profile
Lake County East Water Subdistrict	Painesville	40,656	View Profile
Portsmouth Public Water System	Portsmouth	40,475	View Profile
Western Water Company	Goshen	39,508	View Profile
Warren County Richard Renneker PWS	Lebanon	39,009	View Profile
Westerville City PWS	Westerville	39,000	View Profile
Reynoldsburg City PWS	Reynoldsburg	37,847	View Profile
Warren County Franklin Area PWS	Lebanon	36,725	View Profile
Stow Public Water System	Stow	35,437	View Profile
Ross County Water Company Inc. PWS	Chillicothe	35,345	View Profile
Hecla Water Association-Plant PWS	Ironton	34,942	View Profile
Gahanna City PWS	Glenford	33,258	View Profile
Athens PWS	Athens	32,725	View Profile
Aqua Ohio - Ashtabula	Ashtabula	32,408	View Profile

Showing 1 to 50 of 158 utilities

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Top Drinking Water Utilities in Ohio by Population Served

Frequently Asked Questions

Definitions

People served: Total population supplied with water by the utility system.
Drinking water utility: A public water system that provides potable (safe to drink) water to residential and commercial customers through a distribution network.