Kerr County, Missouri — public water systems
At a glance
5 active public water systems are filed under Kerr County, Missouri in EPA's SDWIS records, together reporting 678 people served. The largest is Wood Trail Water Supply, which reports serving 186 people. 4 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
5
Population served
678
Community systems
4
Groundwater share
100%
How does Kerr County compare with other Missouri counties?
Kerr County has the 110th-most active public water systems among the 182 counties listed for active Missouri systems in EPA records; among the 132 with 3 or more systems, the median has 13. Its systems report 678 people served in total, the 142nd-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 136 people, well below the Missouri average of 2,049. 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 Kerr County's drinking water come from?
By primary water source, Kerr County's active systems draw on groundwater (5, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 92% and 8.1% across Missouri. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Wood Trail Water Supply, draws primarily on groundwater.
What kinds of water systems operate in Kerr County?
Kerr County's active systems break down as 4 community systems (80%) and 1 transient non-community systems (20%). 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 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 (80%) and local government (20%).
Water systems in Kerr County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Wood Trail Water Supply | Kerr | 186 | Community | Groundwater |
| 2 | Fremont Water | Kerr | 183 | Community | Groundwater |
| 3 | Texas Catholic Boys Camp | Kerr | 150 | Transient non-community | Groundwater |
| 4 | Castlecomb Water System | Kerr | 93 | Community | Groundwater |
| 5 | Sky Harbor Ranchettes Water System | Kerr | 66 | Community | Groundwater |
Kerr County water systems: frequently asked questions
How many public water systems are in Kerr County, Missouri?
EPA's SDWIS records file 5 active public water systems under Kerr County, Missouri: 4 community systems (80%) and 1 transient non-community systems (20%).
Who supplies drinking water in Kerr County, MO?
The largest community water systems filed under Kerr County are Wood Trail Water Supply (186 people served), Fremont Water (183 people served) and Castlecomb Water System (93 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 Kerr County's drinking water come from groundwater or surface water?
Of the 5 active public water systems in Kerr County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Wood Trail Water Supply, uses groundwater.
Where can I find a water quality report for Kerr 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 Kerr 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 Kerr 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 Missouri 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 Kerr County, Missouri”, https://aquacensus.com/water-systems/missouri/kerr (data as of October 1, 2026).