San Benito County, CA

ZIP 95045

In ZIP 95045, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hollister, City Of meets every EPA legal limit; 12 contaminants are above health goals, led by lead at 1,969× California’s Public Health Goal.
• Nearest Superfund site: Crazy Horse Sanitary Landfill, 7.6 miles away.
• Largest share of modeled toxic air from industry: Trical Inc (100%), mostly chloropicrin.
• Fine particles (PM2.5) average 6.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 261,105 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 95045

• Superfund sites nearbyC to D
• Factories and industrial sitesC
• Oil and gas wellsC to F
• Parks and nature nearbyB to C
• Air qualityA
• Drinking water qualityA to F
• Pesticide useF
• Neighborhood health statusB to C
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD to F

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

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