Stanislaus County, CA

ZIP 95358

In ZIP 95358, 10 of the 12 things we check have at least one part graded D or F.

• Drinking water: Western Hills Water District/Diablo Gran meets every EPA legal limit; 11 contaminants are above health goals, led by lead at 30× California’s Public Health Goal.
• Nearest Superfund site: Modesto Ground Water Contamination, 9.2 miles away.
• Largest share of modeled toxic air from industry: Gallo Glass Co (61%), mostly chromium compounds.
• Fine particles (PM2.5) average 9.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,181,002 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 95358

• Superfund sites nearbyA to D
• Factories and industrial sitesB to D
• Oil and gas wellsA
• Parks and nature nearbyC to F
• Air qualityB to F
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusB to D
• Past wildfire impactsA to F
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsC to D

Based on 13 census tracts · compiled September 10, 2026 · how each grade works and its sources

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