Public water system · TX2540001
ActiveCity of Crystal City
At a glance
City of Crystal City (PWSID TX2540001) is an active community water system in Zavala County, Texas. It reports serving 7,128 people through 2,410 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; none is health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
7,128
Service connections
2,410
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does City of Crystal City compare with other water systems in Zavala County?
By EPA's size categories, City of Crystal City is a medium system (3,301 to 10,000 people). Zavala County has 4 active public water systems, and City of Crystal City is the largest of them by population served. Its population served is about 159% above the county average of 2,751 people per system, and accounts for 65% of the 11,003 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active community water system reports serving 6,703 people, so City of Crystal City is roughly in line with that figure.
What does “community water system” mean?
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. Texas has 4,594 active community water systems, 65% of the state's 7,078 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 5,215 Texas systems (74%) list groundwater as their primary source.
Who owns and regulates City of Crystal City?
EPA lists City of Crystal City as owned by a local government. The TX state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 4 of the 4 active systems in Zavala County (100%) are also owned by a local government.
Does City of Crystal City have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in October 2025. The violations listed here began between July 1992 and October 2025. By type: 5 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 5 as resolved and 2 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2019-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2013-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2004-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1992-09-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1992-09-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1992-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 7 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
City of Crystal City: frequently asked questions
Who runs City of Crystal City?
City of Crystal City (PWSID TX2540001) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does City of Crystal City serve?
City of Crystal City reports serving 7,128 people through 2,410 service connections in Zavala County, Texas.
Where does City of Crystal City get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does City of Crystal City have any drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in October 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is City of Crystal City's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 7 violations for this system; none is health-based, and the most recent began in October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find City of Crystal City's water quality report?
As a community water system, City of Crystal City must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Zavala County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Zavala County Wcid 1 | Zavala | 2,043 | Community | Groundwater |
| Batesville WSC | Zavala | 1,182 | Community | Groundwater |
| Loma Alta Water System | Zavala | 650 | Community | Groundwater |
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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, “City of Crystal City, PWSID TX2540001, Texas”, https://aquacensus.com/water-systems/texas/city-of-crystal-city-tx2540001 (data as of October 1, 2026).