ZipCheckup grade for 78236: A.
Checked records flag no major concern; missing data is unknown.
Lackland A F B, TX (78236): PFAS Detected in Mapped Water Systems - 91/100
EPA data combined for 3 water systems mapped to this ZIP (largest mapped system: Jbsa Lackland)
EPA records for the water systems mapped to 78236 in Lackland A F B, TX contain 1 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 1 violation (non-health) (since 2021).
- Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
- PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
- Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
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In compiled records for 78236 in Lackland A F B, 1 safety condition carry a high-priority designation - no finding in the same dataset meets the critical-level classification.
Score Breakdown
Overall Home Safety Score: 91/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (7) HIGH
Your Water System
ZIP code 78236 in Lackland A F B, Texas is mapped to the water system Jbsa Lackland (EPA ID: TX0150114). This system provides water to approximately 20,907 people from groundwater sources.
There are 3 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Jbsa Lackland | TX0150114 | 20,907 | Groundwater |
| San Antonio Water System | TX0150018 | 2,643,729 | Surface water |
| Jbsa Medina | TX0150275 | 3,650 | Groundwater |
Other Water Quality Reports in Texas
- 73301 (Austin)
- 73344 (Austin)
- 73960 (Texhoma)
- 75001 (Addison) - 2 violations recorded for mapped water systems
- 75002 (Allen) - 14 violations recorded for mapped water systems
- 75006 (Carrollton) - 2 violations recorded for mapped water systems
- 75007 (Carrollton) - 1 violation recorded for mapped water systems
- 75009 (Celina) - 18 violations recorded for mapped water systems
- 75010 (Carrollton) - 1 violation recorded for mapped water systems
- 75011 (Carrollton)
- 75013 (Allen)
- 75014 (Irving)
- 75015 (Irving)
- 75016 (Irving)
- 75017 (Irving)
- 75019 (Coppell) - 5 violations recorded for mapped water systems
- 75020 (Denison) - 38 violations recorded for mapped water systems
- 75021 (Denison) - 30 violations recorded for mapped water systems
- 75022 (Flower Mound) - 18 violations recorded for mapped water systems
- 75023 (Plano)
Nearby Water Quality Reports
- 78234 (San Antonio) - <1 mi - 3 violations recorded for mapped water systems
- 78288 (San Antonio) - <1 mi
- 78205 (San Antonio) - <1 mi
- 78286 (San Antonio) - <1 mi
- 78212 (San Antonio) - 1 mi
- 78284 (San Antonio) - 1 mi
- 78215 (San Antonio) - 1 mi
- 78204 (San Antonio) - 2 mi
- 78287 (San Antonio) - 2 mi
- 78207 (San Antonio) - 2 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Jbsa Lackland (TX0150114) on EPA.gov.
4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 78236.
Detected compounds: PFBA, PFBS, PFPeA.
Highest measured level: 0.0092 µg/L
Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.
Environmental Hazards (10) HIGH
Home & Infrastructure (6) OK
Cost & Community (8) MODERATE
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Lackland A F B
Based on local data for ZIP 78236, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Roofing Inspection & Repair
Active weather alerts in Texas increase the risk of roof damage from hail and high winds. A professional inspection can identify vulnerabilities.
Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500
Estimate Your Home Insurance NeedsService recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 78236 safe to drink?
EPA SDWIS records 1 violation since 2021 across the water systems mapped to ZIP 78236 (primary system: Jbsa Lackland), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 78236's water come from?
The recorded water source for Jbsa Lackland, a system mapped to ZIP code 78236, is Groundwater. This system serves approximately 20,907 people.
How does Lackland A F B water compare to the national average?
Lackland A F B's Home Safety Score ranks better than 82% of U.S. ZIP codes, and at or above 72% within Texas.
How can I get my water tested in Lackland A F B?
If Jbsa Lackland supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
What is the radon risk for 78236?
78236 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Bexar County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
Are there PFAS (forever chemicals) in 78236's water?
Yes, PFAS have been detected in samples from water systems mapped to 78236. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.
How to cite this page
ZipCheckup. (2026). Lackland A F B, TX (78236): PFAS Detected in Mapped Water Systems - 91/100. https://zipcheckup.com/report/78236/
@misc{zipcheckup-report-78236,
author = {{ZipCheckup}},
title = {{Lackland A F B, TX (78236): PFAS Detected in Mapped Water Systems - 91/100}},
year = {2026},
url = {https://zipcheckup.com/report/78236/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 78236
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 78234 | San Antonio, TX | <1 mi | A | 3 |
| 78288 | San Antonio, TX | <1 mi | N/A | 0 |
| 78205 | San Antonio, TX | <1 mi | A | 0 |
| 78286 | San Antonio, TX | <1 mi | N/A | 0 |
| 78212 | San Antonio, TX | 1.0 mi | A | 0 |
| 78284 | San Antonio, TX | 1.3 mi | N/A | 0 |
| 78215 | San Antonio, TX | 1.5 mi | A | 0 |
| 78204 | San Antonio, TX | 1.5 mi | A | 0 |
| 78287 | San Antonio, TX | 1.8 mi | N/A | 0 |
| 78207 | San Antonio, TX | 2.0 mi | A | 0 |
Nearby ZIP Code Reports
2026 Rankings for Your Area
Overall safety breakdown
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ZIP 78236 scores in the top tier nationally.