Reagan County, Texas — public water systems
At a glance
3 active public water systems are filed under Reagan County, Texas in EPA's SDWIS records, together reporting 3,065 people served. The largest is City of Big Lake, which reports serving 2,965 people. 2 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
3
Population served
3.1K
Community systems
2
Groundwater share
100%
How does Reagan County compare with other Texas counties?
Reagan County has the 231st-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 3,065 people served in total, the 220th-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 1,022 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 Reagan County's drinking water come from?
By primary water source, Reagan County's active systems draw on groundwater (2, 67%) and purchased groundwater (1, 33%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 78% and 21% across Texas. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Big Lake, draws primarily on purchased groundwater.
What kinds of water systems operate in Reagan County?
Reagan County's active systems break down as 2 community systems (67%) and 1 non-transient non-community systems (33%). 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 (67%) and private (33%).
Water systems in Reagan County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | City of Big Lake | Reagan | 2,965 | Community | Purchased groundwater |
| 2 | Lpi Angle Road | Reagan | 100 | Non-transient non-community | Groundwater |
Reagan County water systems: frequently asked questions
How many public water systems are in Reagan County, Texas?
EPA's SDWIS records file 3 active public water systems under Reagan County, Texas: 2 community systems (67%) and 1 non-transient non-community systems (33%).
Who supplies drinking water in Reagan County, TX?
The largest community water system filed under Reagan County is City of Big Lake (2,965 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 Reagan County's drinking water come from groundwater or surface water?
Of the 3 active public water systems in Reagan County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, City of Big Lake, uses purchased groundwater.
Where can I find a water quality report for Reagan 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. 2 community systems are filed under Reagan 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 Reagan 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 Reagan County, Texas”, https://aquacensus.com/water-systems/texas/reagan (data as of October 1, 2026).