Travis County, TX
ZIP 78750
In ZIP 78750, 2 of the 12 things we check have at least one part graded D or F.
- Drinking water: Williamson Travis County Mud 1 meets every EPA legal limit; 8 contaminants are above health goals, led by bromodichloromethane at 293× 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: Tesla Giga Texas (83%), mostly polycyclic aromatic compounds.
- Fine particles (PM2.5) average 9.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 204,705 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 78750
- Superfund sites nearbyA
- Factories and industrial sitesA to B
- Oil and gas wellsB to C
- Parks and nature nearbyA to C
- Air qualityD to F
- Drinking water qualityC
- Pesticide useB to C
- Neighborhood health statusA to B
- Past wildfire impactsA
- Past flood impactsB
- Noise levelsA to D
- Radiation signalsA to B
Based on 11 census tracts · compiled October 25, 2026 · how each grade works and its sources
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