Bexar County, TX

ZIP 78245

In ZIP 78245, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Pioneer Estates meets every EPA legal limit; 6 contaminants are above health goals, led by lead at 32× California’s Public Health Goal.
• Nearest Superfund site: River City Metal Finishing, 4.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Arvin Sango (71%), mostly chromium.
• Fine particles (PM2.5) average 9.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 58,581 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 78245

• Superfund sites nearbyA to D
• Factories and industrial sitesA to C
• Oil and gas wellsA to D
• Parks and nature nearbyC to F
• Air qualityC to F
• Drinking water qualityC to F
• Pesticide useB to D
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC

Based on 12 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…