Fort Bend County, TX

ZIP 77498

In ZIP 77498, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Renn Road Mud meets every EPA legal limit; 8 contaminants are above health goals, led by arsenic at 488× California’s Public Health Goal.
• Nearest Superfund site: Crystal Chemical Co., 5.3 miles away.
• Largest share of modeled toxic air from industry: Championx-Sugar Land (22%), mostly chromium.
• Fine particles (PM2.5) average 9.2 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 77498

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

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

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