How many water violations are in Tarrant County?

Tarrant County has 10,564 total drinking water violations across 113 water systems, of which 785 are health-based violations. 96.5% of systems have at least one violation.

How many people get water from Tarrant County systems?

Water systems in Tarrant County serve approximately 2,099,244 people through 113 public water systems.

Has PFAS been detected in Tarrant County water?

Under EPA UCMR5, 23 of 26 tested systems in Tarrant County had at least one PFAS detection (88.5% of the UCMR5-tested subset - not of all 113 SDWIS systems).

What types of water sources supply Tarrant County?

Water systems in Tarrant County use GW (79 systems), SW (34 systems) as their primary water sources.

Are health-based violations serious?

Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 7.4% of Tarrant County's violations are health-based. Among counties with any SDWIS violations, this extract puts Tarrant County in the lower health-based share band. Not all violations indicate immediate health risk, but they require corrective action.

Where does Tarrant County sit among U.S. counties for water-system population?

According to EPA SDWIS county population served used on /counties, Tarrant County ranks #17 of 3,254 counties by people served, and #4 of 254 counties in Texas. Ordinals use the same total_population DESC sort as the counties directory. See /methodology#corpus-placement.

Counties → Texas

Tarrant County, Texas

Compiled by PlainWater · May 15, 2026

SDWIS compliance plate

Sheet TX439 · Tarrant County 113 sys · 10,564 viol · #17/3254

VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-MID · BOOK-FULL

VIOL-SEVERE 96.5% flagged
HEALTH-LOW 7.4% health
RANK-TOP #17/3254
PHOTO-FINISH ±0.2 pp
PFAS-HIGH 88.5% detect
SRC-GW GW lead 70%
SYS-MID 113 systems
BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Bell County (+ 0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Tarrant County ranks #17 of 3,254 counties by people served, and #4 of 254 counties in Texas. See methodology · corpus placement.

Tarrant County standing, mid-flagged corpus third

Flagged-system rate 96.5% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 7.4% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 88.5% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #17 of 3,254 · #4 of 254 in Texas.

Water Systems

System Name	Population	Violations	PFAS
City of Fort Worth	955,900	27	Detected
City of Arlington	405,420	16	Detected
City of Mansfield	77,142	27	Detected
City of North Richland Hills	71,600	26	Detected
City of Euless	61,601	16	Detected
City of Grapevine	50,631	9	Detected
City of Bedford	49,900	16	Detected
City of Keller	46,308	15	Detected
City of Haltom City	46,260	45	Detected
City of Hurst	40,454	17	Detected
City of Southlake	31,576	11	Detected
City of Colleyville	26,057	13	Detected
Benbrook Water Authority	24,437	39	Detected
City of Saginaw	23,890	23	Detected
City of Watauga	23,660	22	Detected
City of Crowley	19,935	25	Detected
City of White Settlement	18,522	209	Detected
City of Azle	14,847	18	Detected
City of Forest Hill	13,701	29	Detected
Naval Air Stn Joint Reserve Base	9,000	19	Detected
City of Richland Hills	8,505	24	Detected
City of River Oaks	7,691	224	-
City of Kennedale	7,670	138	Clean
City of Everman	6,279	27	Clean
City of Sansom Park	5,359	95	Clean
City of Lake Worth	4,720	3	Detected
Community WSC	4,629	48	Detected
Town of Edgecliff Village	3,992	45	-
City of Haslet	3,579	77	-
City of Pelican Bay	3,120	206	-
City of Westworth Village	2,597	82	-
Town of Pantego	2,500	53	-
Blue Mound	2,396	20	-
City of Dalworthington Gardens	2,330	66	-
Town of Westlake	2,002	12	-
Town of Lakeside	1,671	10	-
The Resort at Eagle Mountain Lake	1,605	31	-
Westside Rural WSC	1,077	22	-
Carson Ranch	954	5	-
Kenneth Copeland Ministries	800	62	-
Van Zandt Farms	702	2	-
Lunar Lane Water System	690	42	-
Town of Westover Hills	682	17	-
Twin Points Park	600	18	-
North Fork Estates	588	7	-
Ranch Oaks Subdivision	561	90	-
Uscoe Holiday Park 4 Benbrook	536	7	-
Saint Francis Village	509	14	-
M & H Food Store	450	22	-
Linkwood Estates Subdivision	426	32	-

Compare beyond Texas

Mid-flagged peers for Tarrant County

Cross-state counties nearest Tarrant County on flagged-system share (96.5%) and cumulative violation count (10,564). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers

Read our methodology · Check your water system - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

Compiled by PlainWater, Drinking Water Quality Editorial Process · May 15, 2026

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.