Public water system · TX0570036
ActiveCity of Cedar Hill
At a glance
City of Cedar Hill (PWSID TX0570036) is an active community water system in Dallas County, Texas. It reports serving 50,904 people through 17,258 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, 2 are health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50,904
Service connections
17,258
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does City of Cedar Hill compare with other water systems in Dallas County?
By EPA's size categories, City of Cedar Hill is a large system (10,001 to 100,000 people). Dallas County has 35 active public water systems. Its population served is about 44% below the county average of 90,969 people per system, and accounts for 1.6% 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 Cedar Hill is about 7.6 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 Cedar Hill?
EPA lists City of Cedar Hill 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 Cedar Hill have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2025. The violations listed here began between December 2006 and July 2025. By type: 5 public notice, recordkeeping or other, 5 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Public Notice (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 |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2013-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2010-03-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2009-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2008-11-03 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2008-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2008-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-05-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2007-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-12-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | 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 Cedar Hill: frequently asked questions
Who runs City of Cedar Hill?
City of Cedar Hill (PWSID TX0570036) 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 Cedar Hill serve?
City of Cedar Hill reports serving 50,904 people through 17,258 service connections in Dallas County, Texas.
Where does City of Cedar Hill 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 Cedar Hill have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 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 Cedar Hill'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. Of the 12 most recent violations in EPA's records, 2 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 Cedar Hill's water quality report?
As a community water system, City of Cedar Hill 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 Cedar Hill, PWSID TX0570036, Texas”, https://aquacensus.com/water-systems/texas/city-of-cedar-hill-tx0570036 (data as of October 1, 2026).