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Wilson County, Kansas — public water systems

At a glance

16 active public water systems are filed under Wilson County, Kansas in EPA's SDWIS records, together reporting 8,803 people served. The largest is City of Neodesha, which reports serving 2,246 people. All 16 are community water systems serving people where they live.

Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

16

Population served

8.8K

Community systems

16

Groundwater share

0%

How does Wilson County compare with other Kansas counties?

Wilson County has the 16th-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 8,803 people served in total, the 41st-largest county figure in the state and 0.3% of the statewide total. The average system here reports serving 550 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 Wilson County's drinking water come from?

By primary water source, Wilson County's active systems draw on purchased surface water (14, 88%) and surface water (2, 13%). Overall, none rely mainly on groundwater (including purchased groundwater) and all on surface water, compared with 66% and 34% across Kansas. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. The county's largest system, City of Neodesha, draws primarily on surface water.

What kinds of water systems operate in Wilson County?

Wilson County's active systems break down as 16 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 Wilson County

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Active public water systems in Wilson County, Kansas
#Water systemCountyPopulation servedTypeSource
1Neodesha, City ofWilson2,246CommunitySurface water
2Fredonia, City ofWilson2,111CommunityPurchased surface water
3Wilson Co Rwd 11Wilson836CommunityPurchased surface water
4Wilson Co Rwd 10Wilson808CommunityPurchased surface water
5Wilson Co Rwd 7Wilson585CommunityPurchased surface water
6Wilson Co Rwd 9Wilson447CommunityPurchased surface water
7Altoona, City ofWilson349CommunityPurchased surface water
8Wilson Co Rwd 1Wilson307CommunityPurchased surface water
9Wilson Co Rwd 4Wilson293CommunityPurchased surface water
10Wilson Co Rwd 13Wilson223CommunityPurchased surface water
11Buffalo, City ofWilson218CommunityPurchased surface water
12Wilson Co Rwd 2Wilson194CommunityPurchased surface water
13Wilson Co Rwd 12Wilson123CommunityPurchased surface water
14Wilson Co Rwd 8Wilson32CommunityPurchased surface water
15Wilson Co Rwd 6Wilson30CommunityPurchased surface water
16Public Wholesale Wsd 23Wilson1CommunitySurface water

Wilson County water systems: frequently asked questions

How many public water systems are in Wilson County, Kansas?

EPA's SDWIS records file 16 active public water systems under Wilson County, Kansas: 16 community systems (100%).

Who supplies drinking water in Wilson County, KS?

The largest community water systems filed under Wilson County are City of Neodesha (2,246 people served), City of Fredonia (2,111 people served) and Wilson Co Rwd 11 (836 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 Wilson County's drinking water come from groundwater or surface water?

Of the 16 active public water systems in Wilson County, none draw mainly on groundwater and all on surface water, counting purchased supplies. The largest system, City of Neodesha, uses surface water.

Where can I find a water quality report for Wilson 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. 16 community systems are filed under Wilson 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 Wilson 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 Wilson County, Kansas”, https://aquacensus.com/water-systems/kansas/wilson (data as of October 1, 2026).