Monterey County, CA

ZIP 93921

In ZIP 93921, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Cal Am Water Company - Monterey has 3 contaminants at or over an EPA legal limit; 25 contaminants are above health goals, led by pfos at 6.6× California’s Public Health Goal.
• Closer to Superfund sites than 61% 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 (60%), 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 93921

• Superfund sites nearbyD
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyD
• Air qualityA
• Drinking water qualityF
• Pesticide useF
• Neighborhood health statusC
• Past wildfire impactsC
• Past flood impactsC
• Noise levelsA to C
• Radiation signalsC

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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