Public water system · TX1990001
ActiveCity of Rockwall
At a glance
City of Rockwall (PWSID TX1990001) is an active community water system in Rockwall County, Texas. It reports serving 55,250 people through 24,320 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in December 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
55,250
Service connections
24,320
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does City of Rockwall compare with other water systems in Rockwall County?
By EPA's size categories, City of Rockwall is a large system (10,001 to 100,000 people). Rockwall County has 7 active public water systems, and City of Rockwall is the largest of them by population served. Its population served is about 186% above the county average of 19,339 people per system, and accounts for 41% of the 135,374 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 Rockwall is about 8.2 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 Rockwall?
EPA lists City of Rockwall 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. 7 of the 7 active systems in Rockwall County (100%) are also owned by a local government.
Does City of Rockwall have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in December 2013. By type: 1 monitoring and reporting. The contaminant or rule involved is Lead and Copper Rule. EPA lists 1 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 |
|---|---|---|---|---|
| 2013-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
The one violation in EPA's records.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 Rockwall: frequently asked questions
Who runs City of Rockwall?
City of Rockwall (PWSID TX1990001) 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 Rockwall serve?
City of Rockwall reports serving 55,250 people through 24,320 service connections in Rockwall County, Texas.
Where does City of Rockwall 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 Rockwall have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in December 2013. 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 Rockwall'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 one violation for this system; it is not health-based, and the most recent began in December 2013. 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 Rockwall's water quality report?
As a community water system, City of Rockwall 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 Rockwall County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Fate | Rockwall | 29,285 | Community | Purchased surface water |
| City of Royse City | Rockwall | 24,313 | Community | Purchased surface water |
| City of Heath | Rockwall | 10,464 | Community | Purchased surface water |
| R C H WSC | Rockwall | 7,863 | Community | Purchased surface water |
| Blackland WSC | Rockwall | 6,171 | Community | Purchased surface water |
| Mount Zion WSC | Rockwall | 2,028 | 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 Rockwall, PWSID TX1990001, Texas”, https://aquacensus.com/water-systems/texas/city-of-rockwall-tx1990001 (data as of October 1, 2026).