Lawrence County, SD

ZIP 57754

In ZIP 57754, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Oak Mountain Country Estates meets every EPA legal limit; 3 contaminants are above health goals, led by arsenic at 1,250× California’s Public Health Goal.
• Nearest Superfund site: Gilt Edge Mine, 4.9 miles away.
• Largest share of modeled toxic air from industry: Gcc Dacotah (66%), mostly chromium compounds.
• Fine particles (PM2.5) average 5.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 3,525 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 57754

• Superfund sites nearbyA to D
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyA to C
• Air qualityA
• Drinking water qualityA to C
• Pesticide useB to C
• Neighborhood health statusB to F
• Past wildfire impactsD to F
• Past flood impactsA
• Noise levelsA
• Radiation signalsC to D

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…