Mercer County, MO

ZIP 64673

In ZIP 64673, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Mercer Pws meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 48× 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: City Of Trenton Street Department (62%), mostly polycyclic aromatic compounds.
• Fine particles (PM2.5) average 6.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 49,180 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 64673

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsA to B
• Parks and nature nearbyC to D
• Air qualityA
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsC to D

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

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