Del Norte County, CA

ZIP 95531

In ZIP 95531, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Pine Grove Mobile Home Park has 2 contaminants at or over an EPA legal limit; 4 contaminants are above health goals, led by pfos at 13× 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: Rumiano Cheese Co (77%), mostly nitric acid.
• Fine particles (PM2.5) average 8.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 119,305 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 95531

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

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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