Zavala County, TX

ZIP 78872

In ZIP 78872, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Zavala County Wcid 1 meets every EPA legal limit; 8 contaminants are above health goals, led by arsenic at 850× California’s Public Health Goal.
• Nearest Superfund site: Crystal City Airport, 6.5 miles away.
• Largest share of modeled toxic air from industry: Brasada Gas Plant (75%), mostly benzene.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 69,060 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 78872

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

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

Loading the full report, with every source…