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

Loading the full report, with every source…

Other ZIP codes in Crane County

ZIP 79731 is the only ZIP code we grade in Crane County.

All of Crane County · All of Texas · How grades work

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