Stanislaus County, CA

ZIP 95357

In ZIP 95357, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Park Heights Mutual Water Co has 2 contaminants at or over an EPA legal limit; 3 contaminants are above health goals, led by pfos at 12× California’s Public Health Goal.
• Nearest Superfund site: Riverbank Army Ammunition Plant, 3.0 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Hogan Manufacturing Inc (55%), mostly chromium.
• Fine particles (PM2.5) average 11.0 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 95357

• Superfund sites nearbyC to F
• Factories and industrial sitesA to D
• Oil and gas wellsA to C
• Parks and nature nearbyC
• Air qualityF
• Drinking water qualityC to F
• Pesticide useD to F
• Neighborhood health statusA to F
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsD

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

Loading the full report, with every source…