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Donley County, Texas — public water systems

At a glance

8 active public water systems are filed under Donley County, Texas in EPA's SDWIS records, together reporting 4,243 people served. The largest is City of Clarendon, which reports serving 2,026 people. 5 are community water systems serving people where they live; the other 3 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

8

Population served

4.2K

Community systems

5

Groundwater share

37.5%

How does Donley County compare with other Texas counties?

Donley County has the 149th-most active public water systems among the 309 counties listed for active Texas systems in EPA records; among the 234 with 3 or more systems, the median has 12. Its systems report 4,243 people served in total, the 208th-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 530 people, well below the Texas average of 4,789. 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 Donley County's drinking water come from?

By primary water source, Donley County's active systems draw on purchased surface water (4, 50%), groundwater (3, 38%) and surface water (1, 13%). Overall, 38% rely mainly on groundwater (including purchased groundwater) and 63% on surface water, compared with 78% and 21% across Texas. 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 Clarendon, draws primarily on purchased surface water.

What kinds of water systems operate in Donley County?

Donley County's active systems break down as 5 community systems (63%) and 3 transient non-community systems (38%). 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 transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as local government (88%) and state government (13%).

Water systems in Donley County

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Active public water systems in Donley County, Texas
#Water systemCountyPopulation servedTypeSource
1City of ClarendonDonley2,026CommunityPurchased surface water
2Txdot Donley County Sra - Ih 40Donley750Transient non-communityGroundwater
3Rra Donley County Rest AreasDonley400Transient non-communityPurchased surface water
4Rra HowardwickDonley370CommunityGroundwater
5Hedley Municipal Water SystemDonley275CommunityPurchased surface water
6Rra Greenbelt Lake LotsDonley222CommunityPurchased surface water
7Greenbelt Miwa Lakeside SystemDonley200Transient non-communityGroundwater

Donley County water systems: frequently asked questions

How many public water systems are in Donley County, Texas?

EPA's SDWIS records file 8 active public water systems under Donley County, Texas: 5 community systems (63%) and 3 transient non-community systems (38%).

Who supplies drinking water in Donley County, TX?

The largest community water systems filed under Donley County are City of Clarendon (2,026 people served), Rra Howardwick (370 people served) and Hedley Municipal Water System (275 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 Donley County's drinking water come from groundwater or surface water?

Of the 8 active public water systems in Donley County, 38% draw mainly on groundwater and 63% on surface water, counting purchased supplies. The largest system, City of Clarendon, uses purchased surface water.

Where can I find a water quality report for Donley 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 Donley 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 Donley 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 Texas 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 Donley County, Texas”, https://aquacensus.com/water-systems/texas/donley (data as of October 1, 2026).