Jessamine County, Kentucky — public water systems
At a glance
4 active public water systems are filed under Jessamine County, Kentucky in EPA's SDWIS records, together reporting 56,685 people served. The largest is Nicholasville Water Department, which reports serving 35,266 people. All 4 are community water systems serving people where they live.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
4
Population served
56.7K
Community systems
4
Groundwater share
0%
How does Jessamine County compare with other Kentucky counties?
Jessamine County has the 38th-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 56,685 people served in total, the 17th-largest county figure in the state and 1.1% of the statewide total. The average system here reports serving 14,171 people, about 21% above 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 Jessamine County's drinking water come from?
By primary water source, Jessamine County's active systems draw on surface water (2, 50%) and purchased surface water (2, 50%). Overall, none rely mainly on groundwater (including purchased groundwater) and all 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, Nicholasville Water Department, draws primarily on surface water.
What kinds of water systems operate in Jessamine County?
Jessamine County's active systems break down as 4 community systems (100%). 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. EPA lists their owner types as local government (100%).
Water systems in Jessamine County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Nicholasville Water Department | Jessamine | 35,266 | Community | Surface water |
| 2 | Jessamine S Elkhorn Water Dist | Jessamine | 8,826 | Community | Purchased surface water |
| 3 | Jessamine Co Water District #1 | Jessamine | 6,831 | Community | Purchased surface water |
| 4 | Wilmore Water Works | Jessamine | 5,762 | Community | Surface water |
Jessamine County water systems: frequently asked questions
How many public water systems are in Jessamine County, Kentucky?
EPA's SDWIS records file 4 active public water systems under Jessamine County, Kentucky: 4 community systems (100%).
Who supplies drinking water in Jessamine County, KY?
The largest community water systems filed under Jessamine County are Nicholasville Water Department (35,266 people served), Jessamine S Elkhorn Water Dist (8,826 people served) and Jessamine Co Water District #1 (6,831 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 Jessamine County's drinking water come from groundwater or surface water?
Of the 4 active public water systems in Jessamine County, none draw mainly on groundwater and all on surface water, counting purchased supplies. The largest system, Nicholasville Water Department, uses surface water.
Where can I find a water quality report for Jessamine 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. 4 community systems are filed under Jessamine 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 Jessamine 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 Jessamine County, Kentucky”, https://aquacensus.com/water-systems/kentucky/jessamine (data as of October 1, 2026).