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Public water system · TX1370035

Active

South Texas Water Authority

At a glance

South Texas Water Authority (PWSID TX1370035) is an active community water system in Kleberg County, Texas. It reports serving 16 people through 13,317 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in February 2025.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

16

Service connections

13,317

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDTX1370035
System typeCommunity water system
Activity statusActive
Population served16
Service connections13,317
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyTX state drinking water program
City served—
StateTexas
ZIP—
CountyKleberg County

How does South Texas Water Authority compare with other water systems in Kleberg County?

By EPA's size categories, South Texas Water Authority is a very small system (500 people or fewer). Kleberg County has 12 active public water systems. Its population served is well below the county average of 2,734 people per system, and accounts for less than 0.1% of the 32,806 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 South Texas Water Authority 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 1,192 Texas systems (17%) list purchased surface water as their primary source.

Who owns and regulates South Texas Water Authority?

EPA lists South Texas Water Authority 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. 5 of the 12 active systems in Kleberg County (42%) are also owned by a local government.

Does South Texas Water Authority have drinking water violations?

EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in February 2025. The violations listed here began between September 2007 and February 2025. By type: 3 monitoring and reporting, 1 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 5 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-02-11Required treatment not metTreatment Technique, Corrective/Expedited Actions (RTCR) · code 2CRevised Total Coliform Rulecode 8000YesResolved
2013-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2008-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2008-05-09Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2007-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 5 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.

South Texas Water Authority: frequently asked questions

Who runs South Texas Water Authority?

South Texas Water Authority (PWSID TX1370035) is a community water system owned by a local government. It is regulated by the TX state drinking water program.

How many people does South Texas Water Authority serve?

South Texas Water Authority reports serving 16 people through 13,317 service connections in Kleberg County, Texas.

Where does South Texas Water Authority get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does South Texas Water Authority have any drinking water violations?

EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in February 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 South Texas Water Authority'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 5 violations for this system; 1 is health-based, and the most recent began in February 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 South Texas Water Authority's water quality report?

As a community water system, South Texas Water Authority 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 Kleberg County

Water systemCountyPopulation servedTypeSource
City of KingsvilleKleberg25,402CommunityPurchased surface water
Ricardo WSCKleberg3,396CommunityPurchased surface water
Naval Air Station KingsvilleKleberg1,550CommunityPurchased surface water
Baffin Bay WSCKleberg1,125CommunityGroundwater
Riviera WcidKleberg729CommunityGroundwater
King Ranch Santa Gertrudis DistrictKleberg212CommunityGroundwater

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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, “South Texas Water Authority, PWSID TX1370035, Texas”, https://aquacensus.com/water-systems/texas/south-texas-water-authority-tx1370035 (data as of October 1, 2026).