Bexar County, TX

ZIP 78228

In ZIP 78228, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: San Antonio Water System meets every EPA legal limit; 11 contaminants are above health goals, led by bromodichloromethane at 152× California’s Public Health Goal.
• Nearest Superfund site: Bandera Road Ground Water Plume, 1.6 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: The San Antonio Refinery LLC (34%), mostly benzene.
• 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 78228

• Superfund sites nearbyD to F
• Factories and industrial sitesB to D
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityD to F
• Drinking water qualityB to C
• Pesticide useB to C
• Neighborhood health statusB to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsB

Based on 21 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…