Caldwell County, Kentucky — public water systems
At a glance
3 active public water systems are filed under Caldwell County, Kentucky in EPA's SDWIS records, together reporting 14,047 people served. The largest is Princeton Water & Sewer Commission, which reports serving 7,007 people. All 3 are community water systems serving people where they live.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
3
Population served
14K
Community systems
3
Groundwater share
0%
How does Caldwell County compare with other Kentucky counties?
Caldwell County has the 55th-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 14,047 people served in total, the 84th-largest county figure in the state and 0.3% of the statewide total. The average system here reports serving 4,682 people, about 60% 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 Caldwell County's drinking water come from?
By primary water source, Caldwell County's active systems draw on purchased surface water (2, 67%) and surface water (1, 33%). Overall, none rely mainly on groundwater (including purchased groundwater) and all 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, Princeton Water & Sewer Commission, draws primarily on surface water.
What kinds of water systems operate in Caldwell County?
Caldwell County's active systems break down as 3 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 (67%) and private (33%).
Water systems in Caldwell County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Princeton Water & Sewer Commission | Caldwell | 7,007 | Community | Surface water |
| 2 | Caldwell County Water District | Caldwell | 6,000 | Community | Purchased surface water |
| 3 | Fredonia Water Department | Caldwell | 1,040 | Community | Purchased surface water |
Caldwell County water systems: frequently asked questions
How many public water systems are in Caldwell County, Kentucky?
EPA's SDWIS records file 3 active public water systems under Caldwell County, Kentucky: 3 community systems (100%).
Who supplies drinking water in Caldwell County, KY?
The largest community water systems filed under Caldwell County are Princeton Water & Sewer Commission (7,007 people served), Caldwell County Water District (6,000 people served) and Fredonia Water Department (1,040 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 Caldwell County's drinking water come from groundwater or surface water?
Of the 3 active public water systems in Caldwell County, none draw mainly on groundwater and all on surface water, counting purchased supplies. The largest system, Princeton Water & Sewer Commission, uses surface water.
Where can I find a water quality report for Caldwell 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. 3 community systems are filed under Caldwell 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 Caldwell 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
- All Kentucky public water systems· 437 active
- Boyd County· 3 systems
- Bracken County· 3 systems
- Breathitt County· 3 systems
- Breckinridge County· 3 systems
- Edmonson County· 3 systems
- Fleming County· 3 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 Caldwell County, Kentucky”, https://aquacensus.com/water-systems/kentucky/caldwell (data as of October 1, 2026).