Montgomery County, TX

ZIP 77302

In ZIP 77302, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: A & S Water Services has 2 contaminants at or over an EPA legal limit; 5 contaminants are above health goals, led by lead at 70× California’s Public Health Goal.
• Nearest Superfund site: Conroe Creosoting Co., 1.9 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Huntsman Petrochemical LLC (51%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 14,209 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 77302

• Superfund sites nearbyA to F
• Factories and industrial sitesC to D
• Oil and gas wellsD
• Parks and nature nearbyC to D
• Air qualityC to D
• Drinking water qualityC to F
• Pesticide useB to C
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsB to C

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

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