Merced County, CA

ZIP 95341

In ZIP 95341, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: John Latoracca Correctional Facility has 1 contaminant at or over an EPA legal limit; 12 contaminants are above health goals, led by arsenic at 1,714× California’s Public Health Goal.
• Nearest Superfund site: Castle Air Force Base (6 Areas), 7.6 miles away.
• Largest share of modeled toxic air from industry: Foster Farms Livingston Complex (58%), mostly peracetic acid.
• Fine particles (PM2.5) average 10.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 3,159,442 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 95341

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

Based on 12 census tracts · compiled October 25, 2026 · how each grade works and its sources

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