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Ellis County, Kansas — public water systems

At a glance

14 active public water systems are filed under Ellis County, Kansas in EPA's SDWIS records, together reporting 26,113 people served. The largest is City of Hays, which reports serving 21,040 people. 13 are community water systems serving people where they live; the other 1 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.

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

Active systems

14

Population served

26.1K

Community systems

13

Groundwater share

100%

How does Ellis County compare with other Kansas counties?

Ellis County has the 23rd-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 26,113 people served in total, the 20th-largest county figure in the state and 0.9% of the statewide total. The average system here reports serving 1,865 people, about 33% 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 Ellis County's drinking water come from?

By primary water source, Ellis County's active systems draw on groundwater (12, 86%) and purchased groundwater (2, 14%). 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 Hays, draws primarily on groundwater.

What kinds of water systems operate in Ellis County?

Ellis County's active systems break down as 13 community systems (93%) and 1 non-transient non-community systems (7.1%). 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. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. EPA lists their owner types as local government (50%), private (43%) and state government (7.1%).

Water systems in Ellis County

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Active public water systems in Ellis County, Kansas
#Water systemCountyPopulation servedTypeSource
1Hays, City ofEllis21,040CommunityGroundwater
2Ellis, City ofEllis2,001CommunityGroundwater
3Victoria, City ofEllis1,149CommunityGroundwater
4Ellis Co Rwd 6Ellis383CommunityGroundwater
5Ellis Co Rwd 1cEllis340CommunityPurchased groundwater
6Countryside Estates MHP Hays Ks, LLCEllis300CommunityPurchased groundwater
7Ellis Co Rwd 3Ellis200CommunityGroundwater
8Schoenchen, City ofEllis173CommunityGroundwater
9Buffalo Hills ParkEllis135CommunityGroundwater
10Meadow Acres MHP Hays Ks, LLCEllis134CommunityGroundwater
11Country View Mobile Home ParkEllis125CommunityGroundwater
12Sunset Valley MHP Hays Ks, LLCEllis60CommunityGroundwater
13Hays Suburban EstatesEllis38CommunityGroundwater
14Ksu Agricultural Research CenterEllis35Non-transient non-communityGroundwater

Ellis County water systems: frequently asked questions

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

EPA's SDWIS records file 14 active public water systems under Ellis County, Kansas: 13 community systems (93%) and 1 non-transient non-community systems (7.1%).

Who supplies drinking water in Ellis County, KS?

The largest community water systems filed under Ellis County are City of Hays (21,040 people served), City of Ellis (2,001 people served) and City of Victoria (1,149 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 Ellis County's drinking water come from groundwater or surface water?

Of the 14 active public water systems in Ellis County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, City of Hays, uses groundwater.

Where can I find a water quality report for Ellis 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. 13 community systems are filed under Ellis 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 Ellis 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 Ellis County, Kansas”, https://aquacensus.com/water-systems/kansas/ellis (data as of October 1, 2026).