Public water system · TX0040002
ActiveCity of Rockport
At a glance
City of Rockport (PWSID TX0040002) is an active community water system in Aransas County, Texas. It reports serving 11,186 people through 13,386 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
11,186
Service connections
13,386
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does City of Rockport compare with other water systems in Aransas County?
By EPA's size categories, City of Rockport is a large system (10,001 to 100,000 people). Aransas County has 13 active public water systems, and City of Rockport is the largest of them by population served. Its population served is about 9.2 times the county average of 1,217 people per system, and accounts for 71% of the 15,814 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 Rockport is about 67% 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 Rockport?
EPA lists City of Rockport 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 13 active systems in Aransas County (31%) are also owned by a local government.
Does City of Rockport have drinking water violations?
EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in July 2025. The violations listed here began between April 1997 and July 2025. By type: 3 contaminant level above the legal limit, 1 reporting, 1 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (3 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2022-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2014-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2013-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1997-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 1997-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
All 6 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 Rockport: frequently asked questions
Who runs City of Rockport?
City of Rockport (PWSID TX0040002) 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 Rockport serve?
City of Rockport reports serving 11,186 people through 13,386 service connections in Aransas County, Texas.
Where does City of Rockport 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 Rockport have any drinking water violations?
EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in July 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 Rockport'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 6 violations for this system; 3 are health-based, and the most recent began in July 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 Rockport's water quality report?
As a community water system, City of Rockport 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 Aransas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Holiday Beach WSC | Aransas | 2,553 | Community | Groundwater |
| Aransas County MUD 1 | Aransas | 615 | Community | Groundwater |
| Lamar Improvement District | Aransas | 450 | Community | Purchased groundwater |
| Hidden Oaks Rv Resort | Aransas | 183 | Transient non-community | Groundwater |
| Aransas National Wildlife Refuge Visitor | Aransas | 150 | Transient non-community | Groundwater |
| Tpwd Goose Island State Park | Aransas | 150 | Transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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 Rockport, PWSID TX0040002, Texas”, https://aquacensus.com/water-systems/texas/city-of-rockport-tx0040002 (data as of October 1, 2026).