Travis County, TX

ZIP 78660

In ZIP 78660, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Northtown Mud meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 142× 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 (79%), mostly polycyclic aromatic compounds.
• Fine particles (PM2.5) average 9.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 66,488 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 78660

• Superfund sites nearbyA
• Factories and industrial sitesB to C
• Oil and gas wellsB to D
• Parks and nature nearbyC to F
• Air qualityC to F
• Drinking water qualityC to F
• Pesticide useC to D
• Neighborhood health statusA to C
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to D
• Radiation signalsC

Based on 26 census tracts · compiled September 10, 2026 · how each grade works and its sources

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