Bexar County, TX

ZIP 78150

In ZIP 78150, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Schertz meets every EPA legal limit; 12 contaminants are above health goals, led by lead at 14× California’s Public Health Goal.
• Nearest Superfund site: Eldorado Chemical Co., Inc., 5.3 miles away.
• Largest share of modeled toxic air from industry: Central Texas Iron Works - Schertz (47%), mostly chromium.
• Fine particles (PM2.5) average 7.8 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 78150

• Superfund sites nearbyD
• Factories and industrial sitesC
• Oil and gas wellsD
• Parks and nature nearbyD
• Air qualityC
• Drinking water qualityC to D
• Pesticide useD
• Neighborhood health statusA
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsF
• Radiation signalsC

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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