Harrison County, TX

ZIP 75602

In ZIP 75602, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Rock Hill Wsc meets every EPA legal limit; 9 contaminants are above health goals, led by bromodichloromethane at 228× California’s Public Health Goal.
• Nearest Superfund site: Garland Creosoting, 1.6 miles away.
• Largest share of modeled toxic air from industry: Eastman Chemical Co Texas Operations (94%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 13,773 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 75602

• Superfund sites nearbyC to F
• Factories and industrial sitesF
• Oil and gas wellsD
• Parks and nature nearbyC
• Air qualityC to D
• Drinking water qualityB to C
• Pesticide useB to D
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to F
• Radiation signalsA to B

Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources

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