San Augustine County, TX

ZIP 75930

In ZIP 75930, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Sand Hills Wsc meets every EPA legal limit; 7 contaminants are above health goals, led by bromodichloromethane at 91× 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: Louisiana Pacific Jasper Osb (79%), mostly formaldehyde.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 5,438 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 75930

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

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

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