Salt Lake County, UT
ZIP 84020
In ZIP 84020, 9 of the 12 things we check have at least one part graded D or F.
- Drinking water: Waterpro Inc meets every EPA legal limit; 15 contaminants are above health goals, led by lithium at 39× the USGS health-based screening level.
- Nearest Superfund site: Sharon Steel Corp. (midvale Tailings), 4.2 miles away (3 within 10 miles).
- Largest share of modeled toxic air from industry: Bd Medical (54%), mostly ethylene oxide.
- Fine particles (PM2.5) average 8.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 150,057 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 84020
- Superfund sites nearbyA to F
- Factories and industrial sitesC to D
- Oil and gas wellsA to B
- Parks and nature nearbyB to D
- Air qualityA to D
- Drinking water qualityC to F
- Pesticide useB to F
- Neighborhood health statusB to C
- Past wildfire impactsA to D
- Past flood impactsA
- Noise levelsA to D
- Radiation signalsC to D
Based on 14 census tracts · compiled September 10, 2026 · how each grade works and its sources
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