PlainWater
Counties → Texas

Bexar County, Texas

Water Systems
82
Population Served
2,376,579
Total Violations
13,955
597 health-based
PFAS Detected
13
of 20 tested

Violation Analysis

91.5%
Systems with Violations
170.2
Avg Violations per System
4.3%
Health-Based Violations

Water Source Types

GW
43 systems (52%)
SW
7 systems (9%)

PFAS Contamination

20
Systems Tested
13
PFAS Detected
65.0%
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

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

No violations on record (1) One or more violations (49)

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
San Antonio Water System 2,113,151 38 Detected
Jbsa - Sam Houston 37,563 218 Clean
City of Converse 29,709 15 Clean
East Central Sud 26,137 66 Clean
Jbsa - Lackland 20,907 139 Clean
City of Universal City 20,119 5 Clean
Atascosa Rural WSC 13,905 123 Clean
City of Selma 11,418 27 Clean
Jbsa - Randolph 10,949 35 Clean
Fair Oaks Ranch Utilities 9,768 12 Clean
City of Live Oak 8,724 6 Clean
Bexar County Wcid 10 Windcrest 8,154 10 Clean
City of Kirby 8,142 14 Clean
City of Leon Valley 7,794 289 Detected
City of Alamo Heights 7,357 118 Clean
Southwest Isd Main 5,364 64 Clean
City of Elmendorf 4,221 44 Clean
San Antonio Military Medical Center 4,000 4 -
Jbsa - Medina 3,650 55 Clean
Southwest Texas Methodist Hospital 3,005 130 -
Southwest Research Inst 2,700 3 -
City of Shavano Park 2,200 48 -
Jbsa - Bullis 1,500 259 -
The Oaks WSC 1,191 1 -
Oak North Mobile Homes Estates 1,059 12 -
Methodist Specialty Hospital 983 152 Clean
Coolcrest Water System 936 8 Clean
East Central Sud Palm Park Water 882 109 -
Blue Skies of Texas West 796 58 -
Country Springs Water 765 5 -
Grey Forest Water System 663 21 -
Las Palapas Tex Mex Cafe 640 303 -
Cosa Eisenhower Park 600 29 -
Discover Church 560 34 -
Our Lady of the Lake University 550 55 -
San Antonio Rose Palace 500 89 -
Stagecoach Hills 489 9 -
Spring Creek United Methodist Church 438 109 -
Tejas Valley RV Park 381 23 -
Pioneer Estates 375 34 -
TX Biomedical Research Institute 340 29 -
Estates Utility Co Stonegate 276 0 -
Cadillac Water 252 69 -
Saint Anthony Catholic High School 250 80 -
Temple of Praise 250 193 -
US Storage Center 236 351 -
Kingdom Hall of Jehovahs Witnesses 225 81 -
Bavarian Hills 204 19 -
Specht Store 170 830 -
Kiddie Koop Day Care Center 160 138 -

Other Counties in Texas

Harris County
1,292 systems · 6,016,117 served · 78,495 violations
Dallas County
37 systems · 3,180,170 served · 2,618 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 Bexar County? ▼
Bexar County has 13,955 total drinking water violations across 82 water systems, of which 597 are health-based violations. 91.5% of systems have at least one violation.
How many people get water from Bexar County systems? ▼
Water systems in Bexar County serve approximately 2,376,579 people through 82 public water systems.
Has PFAS been detected in Bexar County water? ▼
Of 20 water systems tested for PFAS in Bexar County, 13 had PFAS detected (65.0% detection rate).
What types of water sources supply Bexar County? ▼
Water systems in Bexar County use GW (43 systems), SW (7 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. 4.3% of Bexar 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.