Public water system · TX1080011

Active

City of Weslaco

At a glance

City of Weslaco (PWSID TX1080011) is an active community water system in Hidalgo County, Texas. It reports serving 40,033 people through 12,361 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2026.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

40,033

Service connections

12,361

Primary source

Surface water

System type

CWS

Community water system

System record

PWSIDTX1080011

System typeCommunity water system

Activity statusActive

Population served40,033

Service connections12,361

Primary water sourceSurface water

Owner typeLocal government

Primacy agencyTX state drinking water program

City served—

StateTexas

ZIP—

CountyHidalgo County

How does City of Weslaco compare with other water systems in Hidalgo County?

By EPA's size categories, City of Weslaco is a large system (10,001 to 100,000 people). Hidalgo County has 28 active public water systems. Its population served is about 21% above the county average of 32,971 people per system, and accounts for 4.3% of the 923,185 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 Weslaco is about 6 times 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 328 Texas systems (4.6%) list surface water as their primary source.

Who owns and regulates City of Weslaco?

EPA lists City of Weslaco 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. 21 of the 28 active systems in Hidalgo County (75%) are also owned by a local government.

Does City of Weslaco have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2026. The violations listed here began between February 2013 and April 2026. By type: 6 public notice, recordkeeping or other, 4 monitoring and reporting, 1 required treatment not met and 1 reporting. The contaminant or rule involved most often is Public Notice (4 of them). EPA lists 8 as resolved and 4 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

Began	Violation	Contaminant or rule	Health-based	Status
2026-04-02	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Unaddressed
2025-05-01	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Unaddressed
2024-10-17	Required treatment not metLSL Inventory · code 2E	Lead and Copper Rule Revisionscode 5200	Yes	Unaddressed
2024-10-17	ReportingLSL Reporting · code 4G	Lead and Copper Rule Revisionscode 5200	No	Unaddressed
2022-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2020-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Resolved
2015-01-21	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2014-09-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chloritecode 1009	No	Resolved
2014-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2014-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2013-12-30	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2013-02-06	Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76	Public Noticecode 7500	No	Resolved

The 12 most recent 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 Weslaco: frequently asked questions

Who runs City of Weslaco?

City of Weslaco (PWSID TX1080011) 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 Weslaco serve?

City of Weslaco reports serving 40,033 people through 12,361 service connections in Hidalgo County, Texas.

Where does City of Weslaco get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does City of Weslaco have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2026. 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 Weslaco'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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2026. 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 Weslaco's water quality report?

As a community water system, City of Weslaco 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 Hidalgo County

Water system	County	Population served	Type	Source
Mcallen Public Utility	Hidalgo	189,957	Community	Surface water
North Alamo WSC	Hidalgo	171,195	Community	Surface water
City of Edinburg	Hidalgo	85,224	Community	Surface water
City of Pharr	Hidalgo	79,715	Community	Surface water
City of Mission	Hidalgo	77,058	Community	Surface water
Sharyland WSC	Hidalgo	68,562	Community	Surface water

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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 Weslaco, PWSID TX1080011, Texas”, https://aquacensus.com/water-systems/texas/city-of-weslaco-tx1080011 (data as of October 1, 2026).