Mason County, Kentucky — public water systems
At a glance
4 active public water systems are filed under Mason County, Kentucky in EPA's SDWIS records, together reporting 25,305 people served. The largest is Maysville Utility Commission, which reports serving 11,263 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
25.3K
Community systems
4
Groundwater share
25%
How does Mason County compare with other Kentucky counties?
Mason County has the 42nd-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 25,305 people served in total, the 49th-largest county figure in the state and 0.5% of the statewide total. The average system here reports serving 6,326 people, about half of 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 Mason County's drinking water come from?
By primary water source, Mason County's active systems draw on purchased surface water (2, 50%), surface water (1, 25%) and groundwater (1, 25%). Overall, 25% rely mainly on groundwater (including purchased groundwater) and 75% on surface water, compared with 31% and 69% across Kentucky. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. The county's largest system, Maysville Utility Commission, draws primarily on surface water.
What kinds of water systems operate in Mason County?
Mason 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 (75%) and private (25%).
Water systems in Mason County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Maysville Utility Commission | Mason | 11,263 | Community | Surface water |
| 2 | Western Lewis Rectorville Water District | Mason | 6,534 | Community | Purchased surface water |
| 3 | Buffalo Trail Water Assoc | Mason | 4,514 | Community | Purchased surface water |
| 4 | Western Mason Co Water District | Mason | 2,994 | Community | Groundwater |
Mason County water systems: frequently asked questions
How many public water systems are in Mason County, Kentucky?
EPA's SDWIS records file 4 active public water systems under Mason County, Kentucky: 4 community systems (100%).
Who supplies drinking water in Mason County, KY?
The largest community water systems filed under Mason County are Maysville Utility Commission (11,263 people served), Western Lewis Rectorville Water District (6,534 people served) and Buffalo Trail Water Assoc (4,514 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 Mason County's drinking water come from groundwater or surface water?
Of the 4 active public water systems in Mason County, 25% draw mainly on groundwater and 75% on surface water, counting purchased supplies. The largest system, Maysville Utility Commission, uses surface water.
Where can I find a water quality report for Mason 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 Mason 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 Mason 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 Mason County, Kentucky”, https://aquacensus.com/water-systems/kentucky/mason (data as of October 1, 2026).