Davison County, SD

ZIP 57301

In ZIP 57301, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Mitchell meets every EPA legal limit; 6 contaminants are above health goals, led by lithium at 5.7× the USGS health-based screening level.
• 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: Trail King Industries Inc. (100%), mostly chromium.
• Fine particles (PM2.5) average 6.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 151,104 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 57301

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

Based on 6 census tracts · compiled October 25, 2026 · how each grade works and its sources

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