Bexar County, TX
The federal environmental record for Bexar County (population 2,087,679): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
4
Superfund NPL sites
28
federal cleanup sites
3
PFAS-detecting water systems
57
TRI facilities
34
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Bandera Road Ground Water Plume | Leon Valley | on the NPL | 03/07/2007 |
| Eldorado Chemical Co., Inc. | Live Oak | on the NPL | 09/09/2016 |
| R & H Oil Company | San Antonio | proposed | - |
| River City Metal Finishing | San Antonio | deleted | 05/17/2018 |
Drinking water: PFAS testing
Public water systems serving Bexar with at least one PFAS detection under UCMR5. The federal limit for PFOA and PFOS is 4 ng/L; EPA proposed in May 2026 to rescind the limits for the other compounds, which are shown for information.
| System | Highest results | Reading |
|---|---|---|
| SAN ANTONIO WATER SYSTEM TX0150018 | PFBA: 9.2 ng/L PFBS: 3.8 ng/L PFPeA: 3.2 ng/L | detected |
| SAWS CASTLE HILLS TX0150045 | PFOS: 4 ng/L PFBS: 3.2 ng/L | detected |
| CITY OF LEON VALLEY TX0150178 | PFBS: 3.1 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
57 facilities in Bexar filed TRI reports for 2024, totalling 1.1M lb released. The 25 largest by volume:
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| CALAVERAS POWER STATION | SAN ANTONIO | Barium And Barium Compounds, Manganese And Manganese Compounds | 681k lb |
| TOYOTA MOTOR MANUFACTURING TEXAS | SAN ANTONIO | Diisononyl Phthalates (DINP), n-Butyl alcohol | 116k lb |
| TOWERJAZZ TEXAS | SAN ANTONIO | Certain glycol ethers, Ethylene glycol | 66k lb |
| AZZ GALVANIZING - SAN ANTONIO | SAN ANTONIO | Zinc compounds, Lead compounds | 49k lb |
| VP RACING FUELS INC. | ELMENDORF | Isoprene, Toluene | 48k lb |
| CAPITOL AGGREGATES INC. | SAN ANTONIO | Formaldehyde, Ammonia | 29k lb |
| THE SAN ANTONIO REFINERY LLC | SAN ANTONIO | Toluene, n-Hexane | 28k lb |
| US DOD USAF LACKLAND AFB RANGE | LACKLAND AFB | Lead | 27k lb |
| US DOD USAF LACKLAND AFB | LACKLAND AFB | Lead And Lead Compounds, Naphthalene | 23k lb |
| TOYODA GOSEI TEXAS | SAN ANTONIO | Certain glycol ethers, 1,2,4-Trimethylbenzene | 13k lb |
| ALAMO CEMENT CO | SAN ANTONIO | Ammonia, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 9k lb |
| STANDARD AERO (SAN ANTONIO) INC. | SAN ANTONIO | Nitric acid, Lead | 7k lb |
| STANDARDAERO (SAN ANTONIO) INC | SAN ANTONIO | Naphthalene, Xylene (mixed isomers) | 5k lb |
| MANTALINE CORP | SAN ANTONIO | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Sodium nitrite | 5k lb |
| SAN ANTONIO RETAIL SUPPORT CENTER | SAN ANTONIO | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid | 4k lb |
| NATIONS CABINETRY LLC | SAN ANTONIO | Xylene (mixed isomers) | 4k lb |
| ALAMO MARBLE LTD | SAN ANTONIO | Styrene | 4k lb |
| SAN ANTONIO FRITO LAY | SAN ANTONIO | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 4k lb |
| FLINT HILLS RESOURCES CORPUS CHRISTI LLC SAN ANTONIO | SAN ANTONIO | n-Hexane, Xylene (mixed isomers) | 3k lb |
| SAN MARTIN PLANT | ELMENDORF | n-Hexane, Cyclohexane | 2k lb |
| LUBRIZOL CORP | ELMENDORF | Certain glycol ethers, Formaldehyde | 2k lb |
| NAVISTAR SAN ANTONIO MANUFACTURING | SAN ANTONIO | n-Butyl alcohol, Ethylene glycol | 2k lb |
| CAMP STANLEY | BOERNE | Lead | 1k lb |
| FLEXCON INDUSTRIAL LLC | SAN ANTONIO | Toluene | 1k lb |
| SUN COAST RESOURCES LLC | SAN ANTONIO | Zinc compounds | 1k lb |
Underground fuel tanks
EPA's UST Finder records 2,795 tank facilities in Bexar: 2,359 tanks in service and 5,690 closed. 1,707 fuel releases are on record, of which 34 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Bexar as Zone 3, the lowest predicted indoor radon (under 2 pCi/L average). Radon and air quality are covered in depth on lung.com.
The record for one specific address
County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.
Get the report - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for Bexar, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- AGE REFINING INC.SAN ANTONIO
- AIR FORCE MEDICAL OPERATIONS AGENCY AFMOASAN ANTONIO
- ALLEGED AMMONIA RELEASESAN ANTONIO
- BANDERA ROAD GROUND WATER PLUMESAN ANTONIO
- BIG TEX GRAIN CO.SAN ANTONIO
- BROOKS AIR FORCE BASEBROOKS AFB
- CAMP STANLEYBOERNE
- CANYON LAKE RECREATION AREASAN ANTONIO
- ELDORADO CHEMICAL CO INCSAN ANTONIO
- ELDRIDGE AVENUE LEAD SITESAN ANTONIO
- FORT SAM HOUSTON CAMP BULLISSAN ANTONIO
- FUELS & LUBRICANT RESEARCH LABORATORYSAN ANTONIO
- I-35 TRUCK ACCIDENT WITH EXPLOSIVE CARGOSAN ANTONIO
- J.C. PENNCO WASTE OIL SERVICESAN ANTONIO
- JBSA RANDOLPHRANDOLPH AFB
- KELLY AIR FORCE BASESAN ANTONIO
- LACKLAND AIR FORCE BASESAN ANTONIO
- LONESOME TRAIL PLATINGVON ORMY
- MACDONA UNION PACIFIC TRAIN DERAILMENTMACDONA
- R & H OIL/TROPICANA ENERGYSAN ANTONIO
- R & H OIL/TROPICANA ENERGYSAN ANTONIO
- RIVER CITY METAL FINISHINGSAN ANTONIO
- SAN ANTONIO TRAIN COLLISIONSAN ANTONIO
- SHEPHERD LEADSAN ANTONIO
- STANDARD INDUSTRIESSAN ANTONIO
- TROPICANA ENERGY COMPANYSAN ANTONIO
- TROTTNER IRON & METALSAN ANTONIO
- US ARMY FORT SAM HOUSTONSAN ANTONIO