Daviess County, Missouri — public water systems
At a glance
11 active public water systems are filed under Daviess County, Missouri in EPA's SDWIS records, together reporting 13,439 people served. The largest is Clinton County Pwsd 3, which reports serving 3,722 people. All 11 are community water systems serving people where they live.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
11
Population served
13.4K
Community systems
11
Groundwater share
81.8%
How does Daviess County compare with other Missouri counties?
Daviess County has the 70th-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 13,439 people served in total, the 64th-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 1,222 people, about 40% 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 Daviess County's drinking water come from?
By primary water source, Daviess County's active systems draw on purchased groundwater (6, 55%), groundwater (3, 27%), purchased surface water (1, 9.1%) and surface water (1, 9.1%). Overall, 82% rely mainly on groundwater (including purchased groundwater) and 18% on surface water, compared with 92% and 8.1% across Missouri. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. The county's largest system, Clinton County Pwsd 3, draws primarily on purchased surface water.
What kinds of water systems operate in Daviess County?
Daviess County's active systems break down as 11 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 Daviess County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Clinton County Pwsd 3 | Daviess + 3 more | 3,722 | Community | Purchased surface water |
| 2 | Daviess County Pwsd 2 | Daviess | 2,448 | Community | Purchased groundwater |
| 3 | Daviess County Pwsd 1 | Daviess | 2,165 | Community | Purchased groundwater |
| 4 | Gallatin Pws | Daviess | 1,821 | Community | Groundwater |
| 5 | Livingston County Pwsd 4 | Daviess + 1 more | 1,507 | Community | Groundwater |
| 6 | Jamesport Pws | Daviess | 567 | Community | Purchased groundwater |
| 7 | Daviess County Pwsd 3 | Daviess | 400 | Community | Surface water |
| 8 | Pattonsburg Pws | Daviess | 315 | Community | Groundwater |
| 9 | Altamont Pws | Daviess | 207 | Community | Purchased groundwater |
| 10 | Coffey Pws | Daviess | 166 | Community | Purchased groundwater |
| 11 | Jameson | Daviess | 121 | Community | Purchased groundwater |
Also serving Daviess County
These systems serve several counties, including Daviess County. EPA lists another county first for them, so they are not included in the counts above.
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Great Northwest Wholesale Water Commiss | Atchison + 10 more | 25 | Community | Purchased groundwater |
Daviess County water systems: frequently asked questions
How many public water systems are in Daviess County, Missouri?
EPA's SDWIS records file 11 active public water systems under Daviess County, Missouri: 11 community systems (100%). At least 1 more system is listed under another county but also serve Daviess County.
Who supplies drinking water in Daviess County, MO?
The largest community water systems filed under Daviess County are Clinton County Pwsd 3 (3,722 people served), Daviess County Pwsd 2 (2,448 people served) and Daviess County Pwsd 1 (2,165 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 Daviess County's drinking water come from groundwater or surface water?
Of the 11 active public water systems in Daviess County, 82% draw mainly on groundwater and 18% on surface water, counting purchased supplies. The largest system, Clinton County Pwsd 3, uses purchased surface water.
Where can I find a water quality report for Daviess 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. 11 community systems are filed under Daviess 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 Daviess 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
- All Missouri public water systems· 2,943 active
- Dunklin County· 13 systems
- Caddo Parish County· 12 systems
- Nodaway County· 12 systems
- Texas County· 12 systems
- Saline County· 11 systems
- Moniteau County· 11 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 Daviess County, Missouri”, https://aquacensus.com/water-systems/missouri/daviess (data as of October 1, 2026).