Montgomery County, TX

ZIP 77301

In ZIP 77301, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Chanticor Series meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 36× California’s Public Health Goal.
• Nearest Superfund site: United Creosoting Co., 0.6 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Nov Downhole Conroe (53%), mostly nickel.
• Fine particles (PM2.5) average 8.2 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 77301

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

Based on 15 census tracts · compiled September 10, 2026 · how each grade works and its sources

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