Austin County, TX

ZIP 77474

In ZIP 77474, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Coushatte Campground has 1 contaminant at or over an EPA legal limit; 4 contaminants are above health goals, led by arsenic at 1,069× 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: Afglobal Maass Flange Sealy (89%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 181,267 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 77474

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

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

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