Hardin County, Ohio — public water systems
At a glance
31 active public water systems are filed under Hardin County, Ohio in EPA's SDWIS records, together reporting 20,571 people served. The largest is Kenton City, which reports serving 8,360 people. 8 are community water systems serving people where they live; the other 23 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
31
Population served
20.6K
Community systems
8
Groundwater share
100%
How does Hardin County compare with other Ohio counties?
Hardin County has the 43rd-most active public water systems among the 133 counties listed for active Ohio systems in EPA records; among the 92 with 3 or more systems, the median has 29. Its systems report 20,571 people served in total, the 73rd-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 664 people, well below the Ohio average of 2,767. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does Hardin County's drinking water come from?
By primary water source, Hardin County's active systems draw on groundwater (31, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 92% and 7.6% across Ohio. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Kenton City, draws primarily on groundwater.
What kinds of water systems operate in Hardin County?
Hardin County's active systems break down as 8 community systems (26%), 1 non-transient non-community systems (3.2%) and 22 transient non-community systems (71%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (77%) and local government (23%).
Water systems in Hardin County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Kenton City | Hardin | 8,360 | Community | Groundwater |
| 2 | Ada Village | Hardin | 5,334 | Community | Groundwater |
| 3 | Forest Village | Hardin | 1,354 | Community | Groundwater |
| 4 | Alger Village Pws | Hardin | 943 | Community | Groundwater |
| 5 | Dunkirk Village Pws | Hardin | 875 | Community | Groundwater |
| 6 | Mcguffey Village Pws | Hardin | 710 | Community | Groundwater |
| 7 | Mt Victory Village Pws | Hardin | 603 | Community | Groundwater |
| 8 | Little Creek Barn Pws | Hardin | 340 | Transient non-community | Groundwater |
| 9 | Liberty Oaks Event Venue | Hardin | 240 | Transient non-community | Groundwater |
| 10 | First Baptist Church - Kenton | Hardin | 225 | Transient non-community | Groundwater |
| 11 | Hardin Co Veterans Memorial Pk Golf Crse | Hardin | 185 | Transient non-community | Groundwater |
| 12 | Walnut Grove Methodist Church Pws | Hardin | 160 | Transient non-community | Groundwater |
| 13 | Hi-Road Drive-in Theater | Hardin | 155 | Transient non-community | Groundwater |
| 14 | France Lake and Saulisberry Park | Hardin | 150 | Transient non-community | Groundwater |
| 15 | Tresha Corporation Pws | Hardin | 146 | Transient non-community | Groundwater |
| 16 | Kenton Chris Mission Alliance Ch | Hardin | 110 | Transient non-community | Groundwater |
| 17 | Kenton Eagles 2163 | Hardin | 75 | Transient non-community | Groundwater |
| 18 | Quickstep Pentecostal Church of God | Hardin | 65 | Transient non-community | Groundwater |
| 19 | First Church of God - Ridgeway | Hardin | 60 | Transient non-community | Groundwater |
| 20 | Salty Longhorn'S Bar & Grill LLC Pws | Hardin | 60 | Transient non-community | Groundwater |
| 21 | Pfeiffer Station General Store | Hardin | 56 | Transient non-community | Groundwater |
| 22 | Trillium Farm Holdings-Mt Victory | Hardin | 55 | Non-transient non-community | Groundwater |
| 23 | Hillcrest Estates Mobile Home Court | Hardin | 49 | Community | Groundwater |
| 24 | Norada Lanes Bowling Alley | Hardin | 46 | Transient non-community | Groundwater |
| 25 | Liberty Baptist Church-Ada Pws | Hardin | 40 | Transient non-community | Groundwater |
| 26 | St Johns Lutheran Church-Dola Pws | Hardin | 35 | Transient non-community | Groundwater |
| 27 | Blanchard River Church of Christ | Hardin | 34 | Transient non-community | Groundwater |
| 28 | Ridgemont School Gym/Football Field | Hardin | 30 | Transient non-community | Groundwater |
| 29 | Ream-Mcelroy Vfw Post 9381 | Hardin | 26 | Transient non-community | Groundwater |
| 30 | Ada Full Gospel Church | Hardin | 25 | Transient non-community | Groundwater |
| 31 | Grant Fellowship Church Pws | Hardin | 25 | Transient non-community | Groundwater |
Hardin County water systems: frequently asked questions
How many public water systems are in Hardin County, Ohio?
EPA's SDWIS records file 31 active public water systems under Hardin County, Ohio: 8 community systems (26%), 1 non-transient non-community systems (3.2%) and 22 transient non-community systems (71%).
Who supplies drinking water in Hardin County, OH?
The largest community water systems filed under Hardin County are Kenton City (8,360 people served), Ada Village (5,334 people served) and Forest Village (1,354 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does Hardin County's drinking water come from groundwater or surface water?
Of the 31 active public water systems in Hardin County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Kenton City, uses groundwater.
Where can I find a water quality report for Hardin County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 8 community systems are filed under Hardin County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in Hardin County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More Ohio water systems
- All Ohio public water systems· 3,854 active
- Putnam County· 36 systems
- Union County· 34 systems
- Jefferson County· 33 systems
- Pickaway County· 32 systems
- Van Wert County· 31 systems
- Coshocton County· 30 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Public water systems in Hardin County, Ohio”, https://aquacensus.com/water-systems/ohio/hardin (data as of October 1, 2026).