Burnet County, TX

ZIP 78605

In ZIP 78605, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: South Silver Creek I Ii & Iii has 2 contaminants at or over an EPA legal limit; 9 contaminants are above health goals, led by bromodichloromethane at 18× California’s Public Health Goal.
• Nearest Superfund site: Main Street Ground Water Plume, 3.5 miles away.
• Largest share of modeled toxic air from industry: Entegris Inc (96%), mostly catechol.
• Fine particles (PM2.5) average 7.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 8,469 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 78605

• Superfund sites nearbyA to D
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityB
• Drinking water qualityB to F
• Pesticide useB to D
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsA to B

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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