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Community Water System · PWS TX0150114

Jbsa - Lackland

Jbsa Lackland, Texas 78236-5646 - drinking water served from groundwater sources to 20,907 people, tracked in EPA SDWIS and UCMR5.

20,907
People served
139
EPA violations
8
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 139 drinking-water violations at Jbsa - Lackland, 6% of them health-based - above the Texas per-system average.

139
Total EPA violations on record
6%
Health-based (MCL / treatment failure)
20,907
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Jbsa - Lackland

Jbsa - Lackland is a federal-owned community water system that delivers drinking water to 20,907 residents in Jbsa Lackland, Texas (Bexar County) through 5,948 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 139 total violations for this system , of which 8 (6%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 120 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 8 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Texas, EPA tracks 7,351 public water systems serving 33,253,313 people, with 746,210 cumulative violations and 162,945 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 101.5 violations. Statewide, 1,068 of 1,147 UCMR5-tested systems have reported PFAS detections (93.1%).

Jbsa - Lackland's 139 violations sit above the Texas average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
20,907
Total Violations
139
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Federal
Connections
5,948
County
Bexar
School/Daycare
No
MCL Violations
8
Monitoring Violations
120
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 8 2010
TTHM MR 8 2014
Total Haloacetic Acids (HAA5) MR 8 2014
Revised Total Coliform Rule MON 8 2017
Coliform (TCR) MCL 8 2007
1,2,4-Trichlorobenzene MR 4 2020
p-Dichlorobenzene MR 4 2020
1,1,1-Trichloroethane MR 4 2020
Carbon tetrachloride MR 4 2020
1,2-Dichloropropane MR 4 2020
1,1,2-Trichloroethane MR 4 2020
Tetrachloroethylene MR 4 2020
CHLOROBENZENE MR 4 2020
Toluene MR 4 2020
Ethylbenzene MR 4 2020
Styrene MR 4 2020
Benzene MR 4 2020
trans-1,2-Dichloroethylene MR 4 2020
DICHLOROMETHANE MR 4 2020
cis-1,2-Dichloroethylene MR 4 2020
Vinyl chloride MR 4 2020
Xylenes, Total MR 4 2020
1,1-Dichloroethylene MR 4 2020
Trichloroethylene MR 4 2020
o-Dichlorobenzene MR 4 2020
E. COLI MR 4 2012
1,2-Dichloroethane MR 4 2020
Public Notice Other 3 2022

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 203 samples detected PFAS.

Contaminant Date Result MRL Status
4:2 FTS 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 8/2/2023 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 8/2/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 8/2/2023 <5.00 ppt 5.00 ppt Not Detected
PFPeA 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/2/2023 <5.00 ppt 5.00 ppt Not Detected
8:2 FTS 8/2/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpA 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 8/2/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 8/2/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 8/2/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 8/2/2023 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 8/2/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 8/2/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 8/2/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 8/2/2023 <8.00 ppt 8.00 ppt Not Detected
NFDHA 8/2/2023 <20.00 ppt 20.00 ppt Not Detected
PFMBA 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/2/2023 <4.00 ppt 4.00 ppt Not Detected
PFMPA 8/2/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeS 8/2/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 8/2/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeS 8/2/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 8/2/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 8/2/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 8/2/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 8/2/2023 <6.00 ppt 6.00 ppt Not Detected
PFBS 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/2/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 8/2/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 8/2/2023 <20.00 ppt 20.00 ppt Not Detected
11Cl-PF3OUdS 8/2/2023 <5.00 ppt 5.00 ppt Not Detected
PFDoA 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 8/2/2023 <2.00 ppt 2.00 ppt Not Detected
PFDA 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
ADONA 8/2/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 8/2/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 8/2/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 8/2/2023 <2.00 ppt 2.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Jbsa - Lackland.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID TX0150114 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Texas Drinking Water Authority

Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch is the primacy agency that licenses and inspects Jbsa - Lackland under EPA-delegated authority.

Open TX regulator portal

Source: Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2022 Public Notice Other 3 SDWIS / TX0150114 / 7500
2020 1,2,4-Trichlorobenzene MR 4 SDWIS / TX0150114 / 2378
2020 p-Dichlorobenzene MR 4 SDWIS / TX0150114 / 2969
2020 1,1,1-Trichloroethane MR 4 SDWIS / TX0150114 / 2981
2020 Carbon tetrachloride MR 4 SDWIS / TX0150114 / 2982
2020 1,2-Dichloropropane MR 4 SDWIS / TX0150114 / 2983
2020 1,1,2-Trichloroethane MR 4 SDWIS / TX0150114 / 2985
2020 Tetrachloroethylene MR 4 SDWIS / TX0150114 / 2987
2020 CHLOROBENZENE MR 4 SDWIS / TX0150114 / 2989
2020 Toluene MR 4 SDWIS / TX0150114 / 2991
2020 Ethylbenzene MR 4 SDWIS / TX0150114 / 2992
2020 Styrene MR 4 SDWIS / TX0150114 / 2996
2020 Benzene MR 4 SDWIS / TX0150114 / 2990
2020 trans-1,2-Dichloroethylene MR 4 SDWIS / TX0150114 / 2979
2020 DICHLOROMETHANE MR 4 SDWIS / TX0150114 / 2964

How Jbsa - Lackland Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Jbsa - Lackland Texas avg Federal benchmark
Total violations 139 101.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 8 22.2 Indicates a contaminant exceeded a federal MCL
PFAS detection None 93.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 20,907 4,524 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,351 regulated public water systems in Texas.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Jbsa - Lackland water safe to drink?
Jbsa - Lackland (PWS ID: TX0150114) has 139 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 20,907 people using Groundwater sources.
How many people does Jbsa - Lackland serve?
Jbsa - Lackland serves 20,907 people in Jbsa Lackland, Texas. It is a Federal-owned system using Groundwater water sources with 5,948 service connections.
What type of violations does Jbsa - Lackland have?
Jbsa - Lackland has 139 total violations: 8 health-based violations (MCL exceedances or treatment failures), 120 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Jbsa - Lackland water?
No. Jbsa - Lackland was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Jbsa - Lackland use?
Jbsa - Lackland uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
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 system's figures are rendered directly from 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.