Public water system · TX0570015
ActiveCity of Richardson
At a glance
City of Richardson (PWSID TX0570015) is an active community water system in Dallas County, Texas. It reports serving 122,615 people through 58,307 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 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
122,615
Service connections
58,307
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does City of Richardson compare with other water systems in Dallas County?
By EPA's size categories, City of Richardson is a very large system (more than 100,000 people). Dallas County has 35 active public water systems. Its population served is about 35% above the county average of 90,969 people per system, and accounts for 3.9% 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 Richardson is about 18 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 Richardson?
EPA lists City of Richardson 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 Richardson 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 2020. 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 |
|---|---|---|---|---|
| 2020-12-30 | 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 Richardson: frequently asked questions
Who runs City of Richardson?
City of Richardson (PWSID TX0570015) 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 Richardson serve?
City of Richardson reports serving 122,615 people through 58,307 service connections in Dallas County, Texas.
Where does City of Richardson 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 Richardson 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 2020. 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 Richardson'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 2020. 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 Richardson's water quality report?
As a community water system, City of Richardson 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 Richardson, PWSID TX0570015, Texas”, https://aquacensus.com/water-systems/texas/city-of-richardson-tx0570015 (data as of October 1, 2026).