Davison County, South Dakota — public water systems
At a glance
4 active public water systems are filed under Davison County, South Dakota in EPA's SDWIS records, together reporting 19,917 people served. The largest is Mitchell, which reports serving 15,651 people. All 4 are community water systems serving people where they live.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
4
Population served
19.9K
Community systems
4
Groundwater share
0%
How does Davison County compare with other South Dakota counties?
Davison County has the 36th-most active public water systems among the 73 counties listed for active South Dakota systems in EPA records; among the 48 with 3 or more systems, the median has 6. Its systems report 19,917 people served in total, the 11th-largest county figure in the state and 2.1% of the statewide total. The average system here reports serving 4,979 people, about 3.6 times the South Dakota average of 1,387. 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 Davison County's drinking water come from?
By primary water source, Davison County's active systems draw on purchased surface water (4, 100%). Overall, none rely mainly on groundwater (including purchased groundwater) and all on surface water, compared with 76% and 24% across South Dakota. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. The county's largest system, Mitchell, draws primarily on purchased surface water.
What kinds of water systems operate in Davison County?
Davison County's active systems break down as 4 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 (75%) and private (25%).
Water systems in Davison County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Mitchell | Davison | 15,651 | Community | Purchased surface water |
| 2 | Davison Rural Water System Inc. | Davison + 4 more | 3,485 | Community | Purchased surface water |
| 3 | Mount Vernon | Davison | 461 | Community | Purchased surface water |
| 4 | Ethan | Davison | 320 | Community | Purchased surface water |
Also serving Davison County
These systems serve several counties, including Davison County. EPA lists another county first for them, so they are not included in the counts above.
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Aurora-Brule Rural Water System | Aurora + 5 more | 2,750 | Community | Surface water |
| Hanson Rural Water System | Hanson + 2 more | 2,685 | Community | Purchased surface water |
Davison County water systems: frequently asked questions
How many public water systems are in Davison County, South Dakota?
EPA's SDWIS records file 4 active public water systems under Davison County, South Dakota: 4 community systems (100%). At least 2 more systems are listed under another county but also serve Davison County.
Who supplies drinking water in Davison County, SD?
The largest community water systems filed under Davison County are Mitchell (15,651 people served), Davison Rural Water System Inc. (3,485 people served) and Mount Vernon (461 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 Davison County's drinking water come from groundwater or surface water?
Of the 4 active public water systems in Davison County, none draw mainly on groundwater and all on surface water, counting purchased supplies. The largest system, Mitchell, uses purchased surface water.
Where can I find a water quality report for Davison 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 Davison 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 Davison 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 South Dakota 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 Davison County, South Dakota”, https://aquacensus.com/water-systems/south-dakota/davison (data as of October 1, 2026).