Rio Arriba County, NM

ZIP 87412

In ZIP 87412, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Navajo Dam Domestic Water Consumers Inc meets every EPA legal limit; 7 contaminants are above health goals, led by chloroform at 172× California’s Public Health Goal.
• Closer to Superfund sites than 56% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Western Refining Terminals LLC - Bloomfield (78%), mostly benzene.
• Fine particles (PM2.5) average 4.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 225,195 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 87412

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

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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