Ottawa County, Kansas — public water systems
At a glance
7 active public water systems are filed under Ottawa County, Kansas in EPA's SDWIS records, together reporting 5,267 people served. The largest is City of Minneapolis, which reports serving 1,948 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
5.3K
Community systems
7
Groundwater share
100%
How does Ottawa County compare with other Kansas counties?
Ottawa County has the 69th-most active public water systems among the 136 counties listed for active Kansas systems in EPA records; among the 101 with 3 or more systems, the median has 9. Its systems report 5,267 people served in total, the 57th-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 752 people, well below the Kansas average of 2,800. 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 Ottawa County's drinking water come from?
By primary water source, Ottawa County's active systems draw on groundwater (7, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 66% and 34% across Kansas. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Minneapolis, draws primarily on groundwater.
What kinds of water systems operate in Ottawa County?
Ottawa 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 Ottawa County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Minneapolis, City of | Ottawa | 1,948 | Community | Groundwater |
| 2 | Ottawa Co Rwd 2 | Ottawa | 1,794 | Community | Groundwater |
| 3 | Bennington, City of | Ottawa | 635 | Community | Groundwater |
| 4 | Delphos, City of | Ottawa | 306 | Community | Groundwater |
| 5 | Tescott, City of | Ottawa | 271 | Community | Groundwater |
| 6 | Ottawa Co Rwd 1 | Ottawa | 198 | Community | Groundwater |
| 7 | Culver, City of | Ottawa | 115 | Community | Groundwater |
Ottawa County water systems: frequently asked questions
How many public water systems are in Ottawa County, Kansas?
EPA's SDWIS records file 7 active public water systems under Ottawa County, Kansas: 7 community systems (100%).
Who supplies drinking water in Ottawa County, KS?
The largest community water systems filed under Ottawa County are City of Minneapolis (1,948 people served), Ottawa Co Rwd 2 (1,794 people served) and City of Bennington (635 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 Ottawa County's drinking water come from groundwater or surface water?
Of the 7 active public water systems in Ottawa County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, City of Minneapolis, uses groundwater.
Where can I find a water quality report for Ottawa 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 Ottawa 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 Ottawa 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 Kansas 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 Ottawa County, Kansas”, https://aquacensus.com/water-systems/kansas/ottawa (data as of October 1, 2026).