Potter County, TX

ZIP 79058

In ZIP 79058, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Amarillo Municipal Water System has 3 contaminants at or over an EPA legal limit; 18 contaminants are above health goals, led by tetrachloroethylene at 102× California’s Public Health Goal.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Diamond Shamrock Refining Co LP (78%), mostly cobalt compounds.
• Fine particles (PM2.5) average 4.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 175,830 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 79058

• Superfund sites nearbyA to C
• Factories and industrial sitesB to C
• Oil and gas wellsD
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityC to F
• Pesticide useD to F
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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