Wicomico County, MD
ZIP 21850
In ZIP 21850, 3 of the 12 things we check have at least one part graded D or F.
- Drinking water: City Of Salisbury has 2 contaminants at or over an EPA legal limit; 15 contaminants are above health goals, led by pfos at 14× 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: Trinity Sterile (90%), mostly ethylene oxide.
- Fine particles (PM2.5) average 6.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 133,835 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 21850
- Superfund sites nearbyA
- Factories and industrial sitesB
- Oil and gas wellsA
- Parks and nature nearbyC
- Air qualityA
- Drinking water qualityC to F
- Pesticide useF
- Neighborhood health statusD
- Past wildfire impactsA
- Past flood impactsB
- Noise levelsA
- Radiation signalsB to C
Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources
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