Montgomery County, TX

ZIP 77354

In ZIP 77354, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: G & W Wsc has 2 contaminants at or over an EPA legal limit; 9 contaminants are above health goals, led by arsenic at 1,998× 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 (40%), 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 sitesC to F
• Oil and gas wellsC to D
• Parks and nature nearbyB to D
• Air qualityC to D
• Drinking water qualityA to F
• Pesticide useA to C
• Neighborhood health statusA to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsA

Based on 14 census tracts · compiled October 25, 2026 · how each grade works and its sources

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