Merced County, CA

ZIP 93635

In ZIP 93635, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Santa Clara Valley Water District meets every EPA legal limit; 14 contaminants are above health goals, led by pfos at 3.7× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Gallo Glass Co (88%), 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 3,159,442 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 93635

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

Based on 11 census tracts · compiled September 10, 2026 · how each grade works and its sources

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