Bexar County, TX

ZIP 78227

In ZIP 78227, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Jbsa Medina has 1 contaminant at or over an EPA legal limit; 10 contaminants are above health goals, led by arsenic at 3,819× 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 (44%), mostly chromium.
• Fine particles (PM2.5) average 9.2 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 78227

• Superfund sites nearbyA to D
• Factories and industrial sitesB 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 13 census tracts · compiled September 10, 2026 · how each grade works and its sources

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