Grant County, NM

ZIP 88049

In ZIP 88049, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Silver City Water System meets every EPA legal limit; 1 contaminant is above health goals, led by lithium at 6.6× the USGS health-based screening level.
• Nearest Superfund site: Cleveland Mill, 7.2 miles away.
• Largest share of modeled toxic air from industry: Chino Mines Co Mine Concentrator-Sxew Plants (70%), mostly sulfuric acid.
• Fine particles (PM2.5) average 5.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 5,225 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 88049

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyA
• Air qualityA
• Drinking water qualityC
• Pesticide useD
• Neighborhood health statusF
• Past wildfire impactsF
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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