Montgomery County, TX

ZIP 77354

In ZIP 77354, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Montgomery County Mud 141 meets every EPA legal limit; 6 contaminants are above health goals, led by lead at 38× California’s Public Health Goal.
• Nearest Superfund site: United Creosoting Co., 6.4 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Huntsman Petrochemical LLC (45%), 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 77354

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

Based on 14 census tracts · compiled September 10, 2026 · how each grade works and its sources

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