Irion County, TX

ZIP 76930

In ZIP 76930, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Mertzon has 1 contaminant at or over an EPA legal limit; 9 contaminants are above health goals, led by arsenic at 433× 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: Ozona Gas Plant (97%), mostly benzene.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 8,886 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 76930

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

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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