Crane County, TX
ZIP 79731
In ZIP 79731, 3 of the 12 things we check have at least one part graded D or F.
- Drinking water: City Of Grandfalls meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 27× 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: Bp America Production Block 31 Gas Plant (53%), mostly formaldehyde.
- Fine particles (PM2.5) average 6.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 1,926 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 79731
- Superfund sites nearbyA
- Factories and industrial sitesA
- Oil and gas wellsF
- Parks and nature nearbyC
- Air qualityA
- Drinking water qualityD
- Pesticide useF
- Neighborhood health statusC
- Past wildfire impactsA
- Past flood impactsA
- Noise levelsA
- Radiation signalsC
Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources
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Other ZIP codes in Crane County
ZIP 79731 is the only ZIP code we grade in Crane County.