Ellis County, Oklahoma — public water systems
At a glance
7 active public water systems are filed under Ellis County, Oklahoma in EPA's SDWIS records, together reporting 2,569 people served. The largest is Shattuck, which reports serving 1,200 people. 5 are community water systems serving people where they live; the other 2 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
7
Population served
2.6K
Community systems
5
Groundwater share
100%
How does Ellis County compare with other Oklahoma counties?
Ellis County has the 67th-most active public water systems among the 92 counties listed for active Oklahoma systems in EPA records; among the 78 with 3 or more systems, the median has 11. Its systems report 2,569 people served in total, the 75th-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 367 people, well below the Oklahoma average of 2,907. 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 (7, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 62% and 38% across Oklahoma. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Shattuck, draws primarily on groundwater.
What kinds of water systems operate in Ellis County?
Ellis County's active systems break down as 5 community systems (71%) and 2 non-transient non-community systems (29%). 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 (71%) and private (29%).
Water systems in Ellis County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Shattuck | Ellis | 1,200 | Community | Groundwater |
| 2 | Arnett | Ellis | 496 | Community | Groundwater |
| 3 | Gage | Ellis | 429 | Community | Groundwater |
| 4 | Fargo | Ellis | 326 | Community | Groundwater |
| 5 | Tumbleweed Sagebrush Site | Ellis | 45 | Non-transient non-community | Groundwater |
| 6 | Ellis Co Rwd#1 | Ellis | 43 | Community | Groundwater |
| 7 | Select 9 Site | Ellis | 30 | Non-transient non-community | Groundwater |
Ellis County water systems: frequently asked questions
How many public water systems are in Ellis County, Oklahoma?
EPA's SDWIS records file 7 active public water systems under Ellis County, Oklahoma: 5 community systems (71%) and 2 non-transient non-community systems (29%).
Who supplies drinking water in Ellis County, OK?
The largest community water systems filed under Ellis County are Shattuck (1,200 people served), Arnett (496 people served) and Gage (429 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 7 active public water systems in Ellis County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Shattuck, 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. 5 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 Oklahoma water systems
- All Oklahoma public water systems· 1,254 active
- Dewey County· 8 systems
- Atoka County· 7 systems
- Roger Mills County· 7 systems
- Tillman County· 7 systems
- Marshall County· 6 systems
- Jefferson County· 6 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 Ellis County, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/ellis (data as of October 1, 2026).