Public water system · TX2320004
ActiveKnippa WSC
At a glance
Knippa WSC (PWSID TX2320004) is an active community water system in Uvalde County, Texas. It reports serving 933 people through 311 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
933
Service connections
311
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Knippa WSC compare with other water systems in Uvalde County?
By EPA's size categories, Knippa WSC is a small system (501 to 3,300 people). Uvalde County has 29 active public water systems, and Knippa WSC is the 6th-largest of them by population served. Its population served is about 12% below the county average of 1,061 people per system, and accounts for 3% of the 30,772 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 Knippa WSC is well below 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 Knippa WSC?
EPA lists Knippa WSC 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. 8 of the 29 active systems in Uvalde County (28%) are also owned by a local government.
Does Knippa WSC have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 2024. The violations listed here began between October 2015 and October 2024. By type: 2 monitoring and reporting, 1 required treatment not met and 1 reporting. The contaminant or rule involved most often is Lead and Copper Rule Revisions (2 of them). EPA lists 4 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2020-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2015-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
All 4 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.
Knippa WSC: frequently asked questions
Who runs Knippa WSC?
Knippa WSC (PWSID TX2320004) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Knippa WSC serve?
Knippa WSC reports serving 933 people through 311 service connections in Uvalde County, Texas.
Where does Knippa WSC 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 Knippa WSC have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 2024. 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 Knippa WSC'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 4 violations for this system; 1 is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Knippa WSC's water quality report?
As a community water system, Knippa WSC 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 Uvalde County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Uvalde | Uvalde | 17,450 | Community | Groundwater |
| Windmill WSC | Uvalde | 2,900 | Community | Groundwater |
| City of Sabinal | Uvalde | 2,301 | Community | Groundwater |
| Concan WSC | Uvalde | 1,488 | Community | Groundwater under influence of surface water |
| Tpwd Garner State Park | Uvalde | 1,232 | Transient non-community | Groundwater |
| Camp Riverview | Uvalde | 914 | Transient non-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, “Knippa WSC, PWSID TX2320004, Texas”, https://aquacensus.com/water-systems/texas/knippa-wsc-tx2320004 (data as of October 1, 2026).