Harrison County, TX

ZIP 75659

In ZIP 75659, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Waskom Rural Wsc meets every EPA legal limit; 7 contaminants are above health goals, led by dibromochloromethane at 132× California’s Public Health Goal.
• Nearest Superfund site: Stewco, Inc., 0.7 miles away.
• Largest share of modeled toxic air from industry: Waskom Gas Processing Plant (24%), mostly benzene.
• Fine particles (PM2.5) average 7.3 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 75659

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsF
• Parks and nature nearbyC
• Air qualityC
• Drinking water qualityB to C
• Pesticide useC
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsD
• Radiation signalsA

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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