Bell County, TX

ZIP 76504

In ZIP 76504, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Troy meets every EPA legal limit; 10 contaminants are above health goals, led by lead at 44× California’s Public Health Goal.
• Nearest Superfund site: Rockwool Industries Inc., 5.0 miles away.
• Largest share of modeled toxic air from industry: Delta Centrifugal LLC (61%), mostly chromium compounds.
• Fine particles (PM2.5) average 8.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 133,903 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 76504

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

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

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