Public water system · TX0570056
ActiveCity of Rowlett
At a glance
City of Rowlett (PWSID TX0570056) is an active community water system in Dallas County, Texas. It reports serving 68,123 people through 27,488 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; none is health-based, and the most recent began in December 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
68,123
Service connections
27,488
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does City of Rowlett compare with other water systems in Dallas County?
By EPA's size categories, City of Rowlett is a large system (10,001 to 100,000 people). Dallas County has 35 active public water systems. Its population served is about 25% below the county average of 90,969 people per system, and accounts for 2.1% of the 3,183,922 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 Rowlett is about 10 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. 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 Rowlett?
EPA lists City of Rowlett 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. 31 of the 35 active systems in Dallas County (89%) are also owned by a local government.
Does City of Rowlett have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in December 2025. The violations listed here began between July 2004 and December 2025. By type: 3 monitoring and reporting, 2 public notice, recordkeeping or other, 1 reporting and 1 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2025-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2017-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-07-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2017-07-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2015-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2004-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
All 7 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 Rowlett: frequently asked questions
Who runs City of Rowlett?
City of Rowlett (PWSID TX0570056) 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 Rowlett serve?
City of Rowlett reports serving 68,123 people through 27,488 service connections in Dallas County, Texas.
Where does City of Rowlett 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 Rowlett have any drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in December 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 Rowlett'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 7 violations for this system; none is health-based, and the most recent began in December 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 Rowlett's water quality report?
As a community water system, City of Rowlett 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 Dallas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Dallas Water Utility | Dallas | 1,356,479 | Community | Surface water |
| City of Irving | Dallas | 264,546 | Community | Purchased surface water |
| City of Garland | Dallas | 248,822 | Community | Purchased surface water |
| City of Grand Prairie | Dallas | 201,843 | Community | Purchased surface water |
| Dallas Fort Worth International Airport | Dallas | 177,673 | Non-transient non-community | Purchased surface water |
| City of Mesquite | Dallas | 152,020 | 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 Rowlett, PWSID TX0570056, Texas”, https://aquacensus.com/water-systems/texas/city-of-rowlett-tx0570056 (data as of October 1, 2026).