Terrell County, TX

ZIP 79781

In ZIP 79781, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Terrell County Wcid 1 meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 39× 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: Ozona Gas Plant (97%), mostly benzene.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 5,579 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 79781

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsC to F
• Parks and nature nearbyC
• Air qualityA to B
• Drinking water qualityD to F
• Pesticide useF
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsC

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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