Tulare County, CA

ZIP 93631

In ZIP 93631, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Zonneveld Dairy - Cerini has 1 contaminant at or over an EPA legal limit; 8 contaminants are above health goals, led by arsenic at 1,760× California’s Public Health Goal.
• Nearest Superfund site: Selma Pressure Treating Company, 1.1 miles away.
• Largest share of modeled toxic air from industry: Excelsior Inc. (50%), mostly chromium.
• Fine particles (PM2.5) average 11.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 5,378,638 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 93631

• Superfund sites nearbyC to F
• Factories and industrial sitesC to F
• Oil and gas wellsA
• Parks and nature nearbyC to F
• Air qualityF
• Drinking water qualityC to D
• Pesticide useF
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to B
• Radiation signalsD to F

Based on 11 census tracts · compiled October 25, 2026 · how each grade works and its sources

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