Modoc County, CA

ZIP 96134

In ZIP 96134, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Dorris, City Of has 1 contaminant at or over an EPA legal limit; 2 contaminants are above health goals, led by arsenic at 3,000× 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: Collins Products LLC (80%), mostly formaldehyde.
• Fine particles (PM2.5) average 7.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 130,699 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 96134

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityB
• Drinking water qualityA to F
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA to F
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsB to C

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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