Monterey County, CA

ZIP 93920

In ZIP 93920, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Fort Hunter Liggett meets every EPA legal limit; 7 contaminants are above health goals, led by arsenic at 431× California’s Public Health Goal.
• Closer to Superfund sites than 56% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Granite Rock Co Monterey Branch Br341 (51%), mostly lead.
• Fine particles (PM2.5) average 5.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 3,834,203 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 93920

• Superfund sites nearbyA to C
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyA to B
• Air qualityA
• Drinking water qualityA to C
• Pesticide useF
• Neighborhood health statusB to C
• Past wildfire impactsD to F
• Past flood impactsC
• Noise levelsA
• Radiation signalsB to C

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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