Cooper County, Missouri — public water systems
At a glance
8 active public water systems are filed under Cooper County, Missouri in EPA's SDWIS records, together reporting 12,993 people served. The largest is Boonville Pws, which reports serving 7,964 people. All 8 are community water systems serving people where they live.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
8
Population served
13K
Community systems
8
Groundwater share
75%
How does Cooper County compare with other Missouri counties?
Cooper County has the 83rd-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 12,993 people served in total, the 66th-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 1,624 people, about 21% 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 Cooper County's drinking water come from?
By primary water source, Cooper County's active systems draw on groundwater (5, 63%), purchased groundwater (1, 13%), surface water (1, 13%) and purchased surface water (1, 13%). Overall, 75% rely mainly on groundwater (including purchased groundwater) and 25% 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, Boonville Pws, draws primarily on surface water.
What kinds of water systems operate in Cooper County?
Cooper County's active systems break down as 8 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 Cooper County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Boonville Pws | Cooper | 7,964 | Community | Surface water |
| 2 | Cooper County Consolidated Pwsd # 1 | Cooper | 2,451 | Community | Purchased surface water |
| 3 | Pilot Grove Pws | Cooper | 768 | Community | Groundwater |
| 4 | Cooper County Pwsd 1 | Cooper | 562 | Community | Groundwater |
| 5 | Otterville Pws | Cooper | 450 | Community | Groundwater |
| 6 | Bunceton Pws | Cooper | 337 | Community | Groundwater |
| 7 | Prairie Home Pws | Cooper | 280 | Community | Groundwater |
| 8 | Blackwater Pws | Cooper | 181 | Community | Purchased groundwater |
Cooper County water systems: frequently asked questions
How many public water systems are in Cooper County, Missouri?
EPA's SDWIS records file 8 active public water systems under Cooper County, Missouri: 8 community systems (100%).
Who supplies drinking water in Cooper County, MO?
The largest community water systems filed under Cooper County are Boonville Pws (7,964 people served), Cooper County Consolidated Pwsd # 1 (2,451 people served) and Pilot Grove Pws (768 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 Cooper County's drinking water come from groundwater or surface water?
Of the 8 active public water systems in Cooper County, 75% draw mainly on groundwater and 25% on surface water, counting purchased supplies. The largest system, Boonville Pws, uses surface water.
Where can I find a water quality report for Cooper 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. 8 community systems are filed under Cooper 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 Cooper 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 Cooper County, Missouri”, https://aquacensus.com/water-systems/missouri/cooper (data as of October 1, 2026).