Briscoe County, TX

ZIP 79255

In ZIP 79255, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Silverton Municipal Water System meets every EPA legal limit; 10 contaminants are above health goals, led by arsenic at 2,368× 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: Ozark Materials LLC An Ingevity Co (100%), mostly methanol.
• Fine particles (PM2.5) average 5.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 38,475 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 79255

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsB to C
• Parks and nature nearbyC to D
• Air qualityA
• Drinking water qualityD to F
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsC to D

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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