Montgomery County, TX

ZIP 77301

In ZIP 77301, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Forest Trace meets every EPA legal limit; 6 contaminants are above health goals, led by arsenic at 838× 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 sitesF
• Oil and gas wellsD
• Parks and nature nearbyB to D
• Air qualityB to D
• Drinking water qualityA to C
• Pesticide useA to B
• Neighborhood health statusA to F
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to F
• Radiation signalsA

Based on 15 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…