PlainWater
Counties → Texas

Dallas County, Texas

Water Systems
37
Population Served
3,180,170
Total Violations
2,618
407 health-based
PFAS Detected
27
of 27 tested

Violation Analysis

94.6%
Systems with Violations
70.8
Avg Violations per System
15.5%
Health-Based Violations

Water Source Types

SW
31 systems (84%)
GW
6 systems (16%)

PFAS Contamination

27
Systems Tested
27
PFAS Detected
100.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Dallas Texas water systems by violation status, EPA SDWIS records.

No violations on record (2) One or more violations (35)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Dallas Water Utility 1,356,479 4 Detected
City of Irving 264,546 8 Detected
City of Garland 248,822 13 Detected
City of Grand Prairie 201,843 15 Detected
Dallas Fort Worth International Airport 177,673 12 Detected
City of Mesquite 152,020 9 Detected
City of Carrollton 136,170 2 Detected
City of Richardson 122,615 2 Detected
City of Rowlett 66,212 16 Detected
City of Desoto 57,999 87 Detected
City of Cedar Hill 50,904 34 Detected
City of Coppell 43,193 6 Detected
City of Lancaster 40,449 26 Detected
City of Farmers Branch 40,246 22 Detected
City of Duncanville 39,413 29 Detected
City of Sachse 29,042 13 Detected
City of Balch Springs 28,300 44 Detected
City of University Park 25,278 0 Detected
City of Seagoville 20,156 93 Detected
City of Glenn Heights 18,718 41 Detected
Town of Addison 17,257 18 Detected
Town of Highland Park 8,959 7 Detected
Town of Sunnyvale 8,839 68 Detected
City of Wilmer 6,690 186 Detected
City of Hutchins 5,902 29 Detected
City of Cockrell Hill 3,820 102 Detected
Combine WSC 3,588 55 Detected
Lancaster MUD 1 2,685 47 -
Danieldale Community Water Service 702 199 -
Forterra Pressure Pipe Grand Prairie 662 658 -
Matthew Road WSC 279 185 -
D Bar B Mobile Home Ranch 267 342 -
Cottonwood Creek Mobile Home Park 225 198 -
Dallas County MUD 4 150 0 -
Parkerville East Mobile Home Park 42 33 -
Btb Dallas Mountain Creek Hauling Operat 25 8 -
Dallas County Park Cities MUD 0 7 -

Other Counties in Texas

Harris County
1,292 systems · 6,016,117 served · 78,495 violations
Bexar County
82 systems · 2,376,579 served · 13,955 violations
Tarrant County
113 systems · 2,099,244 served · 10,564 violations
Travis County
138 systems · 1,547,700 served · 7,557 violations
Collin County
35 systems · 1,246,210 served · 1,149 violations
El Paso County
39 systems · 956,978 served · 6,717 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Dallas County? ▼
Dallas County has 2,618 total drinking water violations across 37 water systems, of which 407 are health-based violations. 94.6% of systems have at least one violation.
How many people get water from Dallas County systems? ▼
Water systems in Dallas County serve approximately 3,180,170 people through 37 public water systems.
Has PFAS been detected in Dallas County water? ▼
Of 27 water systems tested for PFAS in Dallas County, 27 had PFAS detected (100.0% detection rate).
What types of water sources supply Dallas County? ▼
Water systems in Dallas County use SW (31 systems), GW (6 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. 15.5% of Dallas County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - 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 Editorial

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.