Waller County, TX

ZIP 77445

In ZIP 77445, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Leaning Oak Mobile Home Park meets every EPA legal limit; 2 contaminants are above health goals, led by lead at 33× California’s Public Health Goal.
• Nearest Superfund site: Sheridan Disposal Services, 5.0 miles away.
• Largest share of modeled toxic air from industry: Grant Prideco (64%), mostly chromium.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 90,852 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 77445

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

Based on 7 census tracts · compiled September 10, 2026 · how each grade works and its sources

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