Zavala County, Texas — public water systems
At a glance
4 active public water systems are filed under Zavala County, Texas in EPA's SDWIS records, together reporting 11,003 people served. The largest is City of Crystal City, which reports serving 7,128 people. All 4 are community water systems serving people where they live.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
4
Population served
11K
Community systems
4
Groundwater share
100%
How does Zavala County compare with other Texas counties?
Zavala County has the 220th-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 11,003 people served in total, the 158th-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 2,751 people, about 43% 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 Zavala County's drinking water come from?
By primary water source, Zavala County's active systems draw on groundwater (4, 100%). 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 Crystal City, draws primarily on groundwater.
What kinds of water systems operate in Zavala County?
Zavala County's active systems break down as 4 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 Zavala County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | City of Crystal City | Zavala | 7,128 | Community | Groundwater |
| 2 | Zavala County Wcid 1 | Zavala | 2,043 | Community | Groundwater |
| 3 | Batesville WSC | Zavala | 1,182 | Community | Groundwater |
| 4 | Loma Alta Water System | Zavala | 650 | Community | Groundwater |
Zavala County water systems: frequently asked questions
How many public water systems are in Zavala County, Texas?
EPA's SDWIS records file 4 active public water systems under Zavala County, Texas: 4 community systems (100%).
Who supplies drinking water in Zavala County, TX?
The largest community water systems filed under Zavala County are City of Crystal City (7,128 people served), Zavala County Wcid 1 (2,043 people served) and Batesville WSC (1,182 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 Zavala County's drinking water come from groundwater or surface water?
Of the 4 active public water systems in Zavala County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, City of Crystal City, uses groundwater.
Where can I find a water quality report for Zavala 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. 4 community systems are filed under Zavala 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 Zavala 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 Zavala County, Texas”, https://aquacensus.com/water-systems/texas/zavala (data as of October 1, 2026).