Clinton County, Missouri — public water systems
At a glance
7 active public water systems are filed under Clinton County, Missouri in EPA's SDWIS records, together reporting 25,510 people served. The largest is Cameron Pws, which reports serving 11,963 people. All 7 are community water systems serving people where they live.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
7
Population served
25.5K
Community systems
7
Groundwater share
14.3%
How does Clinton County compare with other Missouri counties?
Clinton County has the 89th-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 25,510 people served in total, the 38th-largest county figure in the state and 0.4% of the statewide total. The average system here reports serving 3,644 people, about 78% above 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 Clinton County's drinking water come from?
By primary water source, Clinton County's active systems draw on purchased surface water (4, 57%), surface water (2, 29%) and purchased groundwater (1, 14%). Overall, 14% rely mainly on groundwater (including purchased groundwater) and 86% on surface water, compared with 92% and 8.1% across Missouri. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. The county's largest system, Cameron Pws, draws primarily on surface water.
What kinds of water systems operate in Clinton County?
Clinton County's active systems break down as 7 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 Clinton County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Cameron Pws | Clinton | 11,963 | Community | Surface water |
| 2 | Clinton Co Pwsd 4 Sys 1 | Clinton | 4,968 | Community | Purchased surface water |
| 3 | Lathrop Pws | Clinton | 2,945 | Community | Purchased surface water |
| 4 | Plattsburg Pws | Clinton | 2,354 | Community | Surface water |
| 5 | Gower Pws | Clinton | 1,360 | Community | Purchased groundwater |
| 6 | Clinton County Pwsd 1 | Clinton | 1,080 | Community | Purchased surface water |
| 7 | Clinton County Pwsd 4 Sys 2 | Clinton | 840 | Community | Purchased surface water |
Also serving Clinton County
These systems serve several counties, including Clinton County. EPA lists another county first for them, so they are not included in the counts above.
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Kansas City Pws | Cass + 4 more | 553,295 | Community | Surface water |
| Clinton County Pwsd 3 | Daviess + 3 more | 3,722 | Community | Purchased surface water |
| Great Northwest Wholesale Water Commiss | Atchison + 10 more | 25 | Community | Purchased groundwater |
Clinton County water systems: frequently asked questions
How many public water systems are in Clinton County, Missouri?
EPA's SDWIS records file 7 active public water systems under Clinton County, Missouri: 7 community systems (100%). At least 3 more systems are listed under another county but also serve Clinton County.
Who supplies drinking water in Clinton County, MO?
The largest community water systems filed under Clinton County are Cameron Pws (11,963 people served), Clinton Co Pwsd 4 Sys 1 (4,968 people served) and Lathrop Pws (2,945 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 Clinton County's drinking water come from groundwater or surface water?
Of the 7 active public water systems in Clinton County, 14% draw mainly on groundwater and 86% on surface water, counting purchased supplies. The largest system, Cameron Pws, uses surface water.
Where can I find a water quality report for Clinton 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. 7 community systems are filed under Clinton 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 Clinton 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 Clinton County, Missouri”, https://aquacensus.com/water-systems/missouri/clinton (data as of October 1, 2026).