Bexar County, TX
ZIP 78223
In ZIP 78223, 9 of the 12 things we check have at least one part graded D or F.
- Drinking water: Picosa Wsc meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 93× California’s Public Health Goal.
- Nearest Superfund site: R & H Oil/tropicana Energy, 5.6 miles away.
- Largest share of modeled toxic air from industry: The San Antonio Refinery LLC (93%), mostly benzene.
- Fine particles (PM2.5) average 9.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 73,052 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 78223
- Superfund sites nearbyA to D
- Factories and industrial sitesB to D
- Oil and gas wellsD to F
- Parks and nature nearbyC to F
- Air qualityB to F
- Drinking water qualityC to F
- Pesticide useB to F
- Neighborhood health statusB to F
- Past wildfire impactsA
- Past flood impactsA
- Noise levelsA to D
- Radiation signalsB to C
Based on 20 census tracts · compiled September 10, 2026 · how each grade works and its sources
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