Public water system · TX0490001

Active

City of Gainesville

At a glance

City of Gainesville (PWSID TX0490001) is an active community water system in Cooke County, Texas. It reports serving 18,107 people through 8,434 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 7 are health-based, and the most recent began in April 2016.

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

Population served

18,107

Service connections

8,434

Primary source

Surface water

System type

CWS

Community water system

System record

PWSIDTX0490001

System typeCommunity water system

Activity statusActive

Population served18,107

Service connections8,434

Primary water sourceSurface water

Owner typeLocal government

Primacy agencyTX state drinking water program

City served—

StateTexas

ZIP—

CountyCooke County

How does City of Gainesville compare with other water systems in Cooke County?

By EPA's size categories, City of Gainesville is a large system (10,001 to 100,000 people). Cooke County has 25 active public water systems, and City of Gainesville is the largest of them by population served. Its population served is about 10 times the county average of 1,791 people per system, and accounts for 40% of the 44,772 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 Gainesville is about 170% 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 Gainesville?

EPA lists City of Gainesville 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. 14 of the 25 active systems in Cooke County (56%) are also owned by a local government.

Does City of Gainesville have drinking water violations?

EPA's records list 9 violations for this system; 7 are health-based, and the most recent began in April 2016. The violations listed here began between June 1991 and April 2016. By type: 7 contaminant level above the legal limit, 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Haloacetic acids (HAA5) (4 of them). EPA lists 7 as resolved and 2 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

Began	Violation	Contaminant or rule	Health-based	Status
2016-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2016-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2016-02-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2016-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	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	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2013-12-30	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
1993-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Archived
1991-06-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Archived

All 9 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 Gainesville: frequently asked questions

Who runs City of Gainesville?

City of Gainesville (PWSID TX0490001) 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 Gainesville serve?

City of Gainesville reports serving 18,107 people through 8,434 service connections in Cooke County, Texas.

Where does City of Gainesville 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 Gainesville have any drinking water violations?

EPA's records list 9 violations for this system; 7 are health-based, and the most recent began in April 2016. 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 Gainesville'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 9 violations for this system; 7 are health-based, and the most recent began in April 2016. 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 Gainesville's water quality report?

As a community water system, City of Gainesville 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 Cooke County

Water system	County	Population served	Type	Source
Woodbine Special Utility District	Cooke	7,689	Community	Groundwater
Mountain Springs WSC	Cooke	3,756	Community	Groundwater
Lake Kiowa Sud	Cooke	2,848	Community	Groundwater
City of Callisburg	Cooke	2,277	Community	Groundwater
City of Muenster	Cooke	1,771	Community	Groundwater
Tpwd Ray Roberts Lake State Park Johnson	Cooke	1,435	Transient non-community	Groundwater

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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 Gainesville, PWSID TX0490001, Texas”, https://aquacensus.com/water-systems/texas/city-of-gainesville-tx0490001 (data as of October 1, 2026).