Marion County, TX

ZIP 75657

In ZIP 75657, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Kellyville Berea Wsc meets every EPA legal limit; 10 contaminants are above health goals, led by lead at 37× California’s Public Health Goal.
• Nearest Superfund site: Longhorn Army Ammunition Plant, 6.3 miles away.
• Largest share of modeled toxic air from industry: Eastman Chemical Co Texas Operations (65%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,328 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 75657

• Superfund sites nearbyA to D
• Factories and industrial sitesA to C
• Oil and gas wellsC to D
• Parks and nature nearbyB to C
• Air qualityC
• Drinking water qualityC to F
• Pesticide useD
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsB to C

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

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