Chaves County, NM

ZIP 88203

In ZIP 88203, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Roswell Municipal Water System meets every EPA legal limit; 14 contaminants are above health goals, led by arsenic at 272× California’s Public Health Goal.
• Nearest Superfund site: Lea and West Second Street, 2.9 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Hollyfrontier Navajo Refining LLC - Artesia Refinery (85%), mostly benzene.
• Fine particles (PM2.5) average 4.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 89,638 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 88203

• Superfund sites nearbyD to F
• Factories and industrial sitesA to B
• Oil and gas wellsA to D
• Parks and nature nearbyB to F
• Air qualityA
• Drinking water qualityD to F
• Pesticide useD to F
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC to D

Based on 11 census tracts · compiled September 10, 2026 · how each grade works and its sources

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