Fort Bend County, TX

ZIP 77479

In ZIP 77479, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Fort Bend County Mud 149 meets every EPA legal limit; 8 contaminants are above health goals, led by bromodichloromethane at 166× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Equistar Chemicals Bayport Chemicals Plant (47%), mostly ethylene oxide.
• Fine particles (PM2.5) average 9.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 179,768 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 77479

• Superfund sites nearbyA
• Factories and industrial sitesC to D
• Oil and gas wellsD
• Parks and nature nearbyB to C
• Air qualityD to F
• Drinking water qualityB to C
• Pesticide useC to D
• Neighborhood health statusA to C
• Past wildfire impactsA
• Past flood impactsC to D
• Noise levelsA to B
• Radiation signalsB to C

Based on 19 census tracts · compiled October 25, 2026 · how each grade works and its sources

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