San Juan County, NM

ZIP 87037

In ZIP 87037, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Carson-Huerfano NTUA meets every EPA legal limit; 9 contaminants are above health goals, led by di(2-ethylhexyl) phthalate at 23× 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 87037

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

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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