Brewster County, TX

ZIP 79830

In ZIP 79830, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Panther Junction Plt meets every EPA legal limit; 9 contaminants are above health goals, led by arsenic at 506× 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: US Cbp Marfa Border Patrol Sm Arms Range #Tx13811 (100%), mostly lead.
• Fine particles (PM2.5) average 6.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 8,518 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 79830

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA
• Drinking water qualityB to C
• Pesticide useD
• Neighborhood health statusB to C
• Past wildfire impactsA to C
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsF

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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