Fresno County, CA

ZIP 93657

In ZIP 93657, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Fresno has 1 contaminant at or over an EPA legal limit; 20 contaminants are above health goals, led by pfhxs at 2.3× California Notification Level.
• Nearest Superfund site: Selma Pressure Treating Company, 7.9 miles away.
• Largest share of modeled toxic air from industry: Pom Wonderful (83%), mostly peracetic acid.
• Fine particles (PM2.5) average 12.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 13,548,899 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 93657

• Superfund sites nearbyA to C
• Factories and industrial sitesA to F
• Oil and gas wellsA
• Parks and nature nearbyB to F
• Air qualityB to F
• Drinking water qualityA to F
• Pesticide useF
• Neighborhood health statusA to D
• Past wildfire impactsA to F
• Past flood impactsB to C
• Noise levelsA to D
• Radiation signalsB to F

Based on 15 census tracts · compiled October 25, 2026 · how each grade works and its sources

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