Crosby County, TX

ZIP 79343

In ZIP 79343, 6 of the 12 things we check have at least one part graded D or F.

  • Drinking water: Town Of Ransom Canyon meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 40× 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: Truenorth Lubbock (67%), mostly chromium.
  • Fine particles (PM2.5) average 5.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
  • About 427,032 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 79343

  • Superfund sites nearbyA
  • Factories and industrial sitesA to B
  • Oil and gas wellsD
  • Parks and nature nearbyD
  • Air qualityA
  • Drinking water qualityC to F
  • Pesticide useF
  • Neighborhood health statusC to F
  • Past wildfire impactsA
  • Past flood impactsA
  • Noise levelsA
  • Radiation signalsC to D

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…

Other ZIP codes in Crosby County

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

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