Ohio County, Kentucky — public water systems
At a glance
6 active public water systems are filed under Ohio County, Kentucky in EPA's SDWIS records, together reporting 27,106 people served. The largest is Ohio County Water District, which reports serving 16,511 people. 5 are community water systems serving people where they live; the other 1 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
6
Population served
27.1K
Community systems
5
Groundwater share
16.7%
How does Ohio County compare with other Kentucky counties?
Ohio County has the 20th-most active public water systems among the 127 counties listed for active Kentucky systems in EPA records; among the 66 with 3 or more systems, the median has 4. Its systems report 27,106 people served in total, the 45th-largest county figure in the state and 0.5% of the statewide total. The average system here reports serving 4,518 people, about 61% below the Kentucky average of 11,699. 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 Ohio County's drinking water come from?
By primary water source, Ohio County's active systems draw on surface water (3, 50%), purchased surface water (2, 33%) and groundwater (1, 17%). Overall, 17% rely mainly on groundwater (including purchased groundwater) and 83% on surface water, compared with 31% and 69% across Kentucky. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. The county's largest system, Ohio County Water District, draws primarily on surface water.
What kinds of water systems operate in Ohio County?
Ohio County's active systems break down as 5 community systems (83%) and 1 non-transient non-community systems (17%). 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. EPA lists their owner types as local government (83%) and private (17%).
Water systems in Ohio County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Ohio County Water District | Ohio | 16,511 | Community | Surface water |
| 2 | Beaver Dam Municipal Water & Sewer | Ohio | 3,901 | Community | Groundwater |
| 3 | Hartford Municipal Water Works | Ohio | 3,119 | Community | Surface water |
| 4 | Centertown Water System | Ohio | 1,485 | Community | Purchased surface water |
| 5 | Perdue Farms Inc. | Ohio | 1,163 | Non-transient non-community | Surface water |
| 6 | Fordsville Water District | Ohio | 927 | Community | Purchased surface water |
Ohio County water systems: frequently asked questions
How many public water systems are in Ohio County, Kentucky?
EPA's SDWIS records file 6 active public water systems under Ohio County, Kentucky: 5 community systems (83%) and 1 non-transient non-community systems (17%).
Who supplies drinking water in Ohio County, KY?
The largest community water systems filed under Ohio County are Ohio County Water District (16,511 people served), Beaver Dam Municipal Water & Sewer (3,901 people served) and Hartford Municipal Water Works (3,119 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 Ohio County's drinking water come from groundwater or surface water?
Of the 6 active public water systems in Ohio County, 17% draw mainly on groundwater and 83% on surface water, counting purchased supplies. The largest system, Ohio County Water District, uses surface water.
Where can I find a water quality report for Ohio 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. 5 community systems are filed under Ohio 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 Ohio 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 Kentucky water systems
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 Ohio County, Kentucky”, https://aquacensus.com/water-systems/kentucky/ohio (data as of October 1, 2026).