Tarrant County, Texas — public water systems

At a glance

108 active public water systems are filed under Tarrant County, Texas in EPA's SDWIS records, together reporting 2,126,239 people served. The largest is City of Fort Worth, which reports serving 955,900 people. 75 are community water systems serving people where they live; the other 33 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

108

Population served

2.1M

Community systems

Groundwater share

68.5%

How does Tarrant County compare with other Texas counties?

Tarrant County has the 7th-most active public water systems among the 309 counties listed for active Texas systems in EPA records; among the 234 with 3 or more systems, the median has 12. Its systems report 2,126,239 people served in total, the 4th-largest county figure in the state and 6.3% of the statewide total. The average system here reports serving 19,687 people, about 4.1 times the Texas average of 4,789. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.

Where does Tarrant County's drinking water come from?

By primary water source, Tarrant County's active systems draw on groundwater (72, 67%), purchased surface water (25, 23%), surface water (9, 8.3%) and purchased groundwater (2, 1.9%). Overall, 69% rely mainly on groundwater (including purchased groundwater) and 31% on surface water, compared with 78% and 21% across Texas. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Fort Worth, draws primarily on surface water.

What kinds of water systems operate in Tarrant County?

Tarrant County's active systems break down as 75 community systems (69%), 9 non-transient non-community systems (8.3%) and 24 transient non-community systems (22%). 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. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (56%), local government (38%) and federal government (5.6%).

The 50 largest water systems in Tarrant County

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Active public water systems in Tarrant County, Texas
#	Water system	County	Population served	Type	Source
1	City of Fort Worth	Tarrant	955,900	Community	Surface water
2	City of Arlington	Tarrant	413,955	Community	Surface water
3	City of Mansfield	Tarrant	89,227	Community	Surface water
4	City of North Richland Hills	Tarrant	74,859	Community	Purchased surface water
5	City of Euless	Tarrant	61,601	Community	Purchased surface water
6	City of Grapevine	Tarrant	52,346	Community	Surface water
7	City of Bedford	Tarrant	49,941	Community	Purchased surface water
8	City of Keller	Tarrant	46,308	Community	Purchased surface water
9	City of Haltom City	Tarrant	46,260	Community	Purchased surface water
10	City of Hurst	Tarrant	40,454	Community	Purchased surface water
11	City of Southlake	Tarrant	31,576	Community	Purchased surface water
12	City of Colleyville	Tarrant	26,599	Community	Purchased surface water
13	Benbrook Water Authority	Tarrant	25,616	Community	Surface water
14	City of Saginaw	Tarrant	23,890	Community	Purchased surface water
15	City of Watauga	Tarrant	23,806	Community	Purchased surface water
16	City of Crowley	Tarrant	19,935	Community	Purchased surface water
17	City of White Settlement	Tarrant	18,522	Community	Purchased surface water
18	City of Azle	Tarrant	14,847	Community	Surface water
19	City of Forest Hill	Tarrant	13,701	Community	Purchased surface water
20	Naval Air Stn Joint Reserve Base	Tarrant	9,000	Community	Purchased surface water
21	City of Richland Hills	Tarrant	8,521	Community	Purchased surface water
22	City of River Oaks	Tarrant	7,691	Community	Surface water
23	City of Kennedale	Tarrant	7,670	Community	Purchased surface water
24	City of Everman	Tarrant	6,279	Community	Groundwater
25	City of Sansom Park	Tarrant	5,359	Community	Groundwater
26	City of Lake Worth	Tarrant	4,720	Community	Purchased surface water
27	Community WSC	Tarrant	4,629	Community	Surface water
28	Town of Edgecliff Village	Tarrant	3,992	Community	Purchased surface water
29	City of Haslet	Tarrant	3,579	Community	Purchased surface water
30	City of Pelican Bay	Tarrant	3,120	Community	Groundwater
31	City of Westworth Village	Tarrant	2,597	Community	Purchased surface water
32	Town of Pantego	Tarrant	2,500	Community	Groundwater
33	Blue Mound	Tarrant	2,396	Community	Groundwater
34	City of Dalworthington Gardens	Tarrant	2,330	Community	Purchased surface water
35	Town of Westlake	Tarrant	2,002	Community	Purchased surface water
36	Town of Lakeside	Tarrant	1,671	Community	Groundwater
37	The Resort at Eagle Mountain Lake	Tarrant	1,605	Community	Purchased surface water
38	Westside Rural WSC	Tarrant	1,077	Community	Groundwater
39	Carson Ranch	Tarrant	954	Community	Groundwater
40	Kenneth Copeland Ministries	Tarrant	800	Non-transient non-community	Groundwater
41	Van Zandt Farms	Tarrant	702	Community	Groundwater
42	Lunar Lane Water System	Tarrant	690	Community	Groundwater
43	Town of Westover Hills	Tarrant	682	Community	Purchased surface water
44	Twin Points Park	Tarrant	600	Transient non-community	Groundwater
45	North Fork Estates	Tarrant	588	Community	Groundwater
46	Ranch Oaks Subdivision	Tarrant	561	Community	Groundwater
47	Uscoe Holiday Park 4 Benbrook	Tarrant	536	Transient non-community	Groundwater
48	Saint Francis Village	Tarrant	509	Community	Groundwater
49	M & H Food Store	Tarrant	450	Transient non-community	Groundwater
50	Linkwood Estates Subdivision	Tarrant	426	Community	Groundwater

All other water systems in Tarrant County (57)

The remaining active systems filed under Tarrant County, largest first, with the population each reports serving.

Tarrant County water systems: frequently asked questions

How many public water systems are in Tarrant County, Texas?

EPA's SDWIS records file 108 active public water systems under Tarrant County, Texas: 75 community systems (69%), 9 non-transient non-community systems (8.3%) and 24 transient non-community systems (22%).

Who supplies drinking water in Tarrant County, TX?

The largest community water systems filed under Tarrant County are City of Fort Worth (955,900 people served), City of Arlington (413,955 people served) and City of Mansfield (89,227 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.

Does Tarrant County's drinking water come from groundwater or surface water?

Of the 108 active public water systems in Tarrant County, 69% draw mainly on groundwater and 31% on surface water, counting purchased supplies. The largest system, City of Fort Worth, uses surface water.

Where can I find a water quality report for Tarrant County?

Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 75 community systems are filed under Tarrant County, so the report to look for is the one from the system that supplies your address.

How can I check violations for a water system in Tarrant County?

Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.

More Texas water systems

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, “Public water systems in Tarrant County, Texas”, https://aquacensus.com/water-systems/texas/tarrant (data as of October 1, 2026).