Jefferson County, AL

ZIP 35203

In ZIP 35203, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Central Alabama Water System meets every EPA legal limit; 9 contaminants are above health goals, led by pfos at 2.3× California’s Public Health Goal.
• Nearest Superfund site: 35th Avenue, 3.5 miles away.
• Largest share of modeled toxic air from industry: Smi Steel LLC Dba Cmc Steel Alabama (66%), mostly chromium compounds.
• Fine particles (PM2.5) average 8.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 3,649 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 35203

• Superfund sites nearbyD
• Factories and industrial sitesD to F
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityF
• Drinking water qualityC
• Pesticide useA
• Neighborhood health statusA to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsB to C

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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