Fresno County, CA

ZIP 93609

In ZIP 93609, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Riverdale Public Utility District meets every EPA legal limit; 5 contaminants are above health goals, led by lead at 88× California’s Public Health Goal.
• Nearest Superfund site: Selma Pressure Treating Company, 3.5 miles away.
• Largest share of modeled toxic air from industry: Ardagh Glass Inc (42%), mostly chromium.
• Fine particles (PM2.5) average 10.1 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 93609

• Superfund sites nearbyA to D
• Factories and industrial sitesA to C
• Oil and gas wellsA to F
• Parks and nature nearbyD
• Air qualityF
• Drinking water qualityD to F
• Pesticide useF
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsB to C
• Noise levelsA to D
• Radiation signalsC to D

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…