Shasta County, CA

ZIP 96003

In ZIP 96003, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Redding has 1 contaminant at or over an EPA legal limit; 15 contaminants are above health goals, led by pfos at 4.2× California’s Public Health Goal.
• Nearest Superfund site: Iron Mountain Mine, 3.9 miles away.
• Largest share of modeled toxic air from industry: Calportland Redding Cement Plant (95%), mostly chromium compounds.
• Fine particles (PM2.5) average 9.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 59,878 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 96003

• Superfund sites nearbyA to F
• Factories and industrial sitesA to C
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityD to F
• Drinking water qualityC to F
• Pesticide useD to F
• Neighborhood health statusC to F
• Past wildfire impactsD to F
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsB to C

Based on 16 census tracts · compiled September 10, 2026 · how each grade works and its sources

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