Public water system · TX2390001

Active

City of Brenham

At a glance

City of Brenham (PWSID TX2390001) is an active community water system in Washington County, Texas. It reports serving 18,469 people through 10,402 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in May 2022.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

18,469

Service connections

10,402

Primary source

Surface water

System type

CWS

Community water system

System record

PWSIDTX2390001

System typeCommunity water system

Activity statusActive

Population served18,469

Service connections10,402

Primary water sourceSurface water

Owner typeLocal government

Primacy agencyTX state drinking water program

City served—

StateTexas

ZIP—

CountyWashington County

How does City of Brenham compare with other water systems in Washington County?

By EPA's size categories, City of Brenham is a large system (10,001 to 100,000 people). Washington County has 22 active public water systems, and City of Brenham is the largest of them by population served. Its population served is about 15 times the county average of 1,243 people per system, and accounts for 68% of the 27,340 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 Brenham is about 176% 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 328 Texas systems (4.6%) list surface water as their primary source.

Who owns and regulates City of Brenham?

EPA lists City of Brenham 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. 5 of the 22 active systems in Washington County (23%) are also owned by a local government.

Does City of Brenham have drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in May 2022. The violations listed here began between January 2011 and May 2022. By type: 8 monitoring and reporting and 4 contaminant level above the legal limit. The contaminant or rule involved most often is Chlorite (3 of them). EPA lists 12 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
2022-05-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorine dioxidecode 1008	No	Resolved
2022-05-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chloritecode 1009	No	Resolved
2018-10-01	Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38	Interim Enhanced Surface Water Treatment Rulecode 0300	No	Resolved
2016-03-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Chloritecode 1009	Yes	Resolved
2016-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2015-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Chloritecode 1009	Yes	Resolved
2014-03-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2011-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2011-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2011-01-01	Monitoring and reportingMonitoring, Regular · code 03	trans-1,2-Dichloroethylenecode 2979	No	Resolved
2011-01-01	Monitoring and reportingMonitoring, Regular · code 03	Benzenecode 2990	No	Resolved
2011-01-01	Monitoring and reportingMonitoring, Regular · code 03	o-Dichlorobenzenecode 2968	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 Brenham: frequently asked questions

Who runs City of Brenham?

City of Brenham (PWSID TX2390001) 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 Brenham serve?

City of Brenham reports serving 18,469 people through 10,402 service connections in Washington County, Texas.

Where does City of Brenham get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does City of Brenham have any drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in May 2022. 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 Brenham'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, 4 are health-based, and the most recent began in May 2022. 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 Brenham's water quality report?

As a community water system, City of Brenham 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 Washington County

Water system	County	Population served	Type	Source
Northeast Washington County	Washington	3,219	Community	Groundwater
Central Washington County WSC	Washington	2,270	Community	Groundwater
Chappell Hill WSC	Washington	645	Community	Groundwater
Oak Hill Fwsd 1	Washington	445	Community	Groundwater
City of Burton	Washington	315	Community	Groundwater
Burton Truck Stop	Washington	250	Transient non-community	Groundwater

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 Brenham, PWSID TX2390001, Texas”, https://aquacensus.com/water-systems/texas/city-of-brenham-tx2390001 (data as of October 1, 2026).