Siskiyou County, CA

ZIP 96025

In ZIP 96025, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Shasta Csa - Sugarloaf, #2 has 1 contaminant at or over an EPA legal limit; 8 contaminants are above health goals, led by lead at 39× California’s Public Health Goal.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Roseburg Forest Products Co. - Weed Facility (100%), mostly dioxin and dioxin-like compounds.
• Fine particles (PM2.5) average 7.5 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 96025

• Superfund sites nearbyA to C
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyA to B
• Air qualityC
• Drinking water qualityA to D
• Pesticide useC to D
• Neighborhood health statusF
• Past wildfire impactsA to F
• Past flood impactsA
• Noise levelsA
• Radiation signalsA to B

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

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