Public water system · TX2050015
ActiveCity of Aransas Pass
At a glance
City of Aransas Pass (PWSID TX2050015) is an active community water system in San Patricio County, Texas. It reports serving 8,088 people through 4,734 service connections. Its primary water source is purchased 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 October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
8,088
Service connections
4,734
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does City of Aransas Pass compare with other water systems in San Patricio County?
By EPA's size categories, City of Aransas Pass is a medium system (3,301 to 10,000 people). San Patricio County has 20 active public water systems, and City of Aransas Pass is the 3rd-largest of them by population served. Its population served is about 133% above the county average of 3,470 people per system, and accounts for 12% of the 69,407 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 Aransas Pass is about 21% above 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 City of Aransas Pass?
EPA lists City of Aransas Pass 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. 14 of the 20 active systems in San Patricio County (70%) are also owned by a local government.
Does City of Aransas Pass have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2025. The violations listed here began between April 2014 and October 2025. By type: 5 monitoring and reporting, 4 public notice, recordkeeping or other, 1 reporting, 1 required treatment not met and 1 monitoring. The contaminant or rule involved most often is Chlorine (4 of them). EPA lists 11 as resolved and 1 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 |
|---|---|---|---|---|
| 2025-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2025-05-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2025-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2017-02-03 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2017-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2016-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2014-10-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2014-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | 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 Aransas Pass: frequently asked questions
Who runs City of Aransas Pass?
City of Aransas Pass (PWSID TX2050015) 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 Aransas Pass serve?
City of Aransas Pass reports serving 8,088 people through 4,734 service connections in San Patricio County, Texas.
Where does City of Aransas Pass 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 City of Aransas Pass 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 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 Aransas Pass' 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 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 Aransas Pass' water quality report?
As a community water system, City of Aransas Pass 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 San Patricio County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Portland | San Patricio | 22,933 | Community | Purchased surface water |
| City of Ingleside | San Patricio | 10,106 | Community | Purchased surface water |
| City of Sinton | San Patricio | 5,505 | Community | Groundwater |
| Rincon WSC | San Patricio | 5,034 | Community | Purchased surface water |
| City of Mathis | San Patricio | 5,001 | Community | Surface water |
| City of Taft | San Patricio | 4,941 | Community | Purchased 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 Aransas Pass, PWSID TX2050015, Texas”, https://aquacensus.com/water-systems/texas/city-of-aransas-pass-tx2050015 (data as of October 1, 2026).