Charles County, MD

ZIP 20602

In ZIP 20602, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Waldorf - Charles County Dpw has 1 contaminant at or over an EPA legal limit; 11 contaminants are above health goals, led by arsenic at 1,540× California’s Public Health Goal.
• Nearest Superfund site: Brandywine Drmo, 7.0 miles away.
• Largest share of modeled toxic air from industry: Waldorf Plant (86%), mostly lead.
• Fine particles (PM2.5) average 7.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 43,120 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 20602

• Superfund sites nearbyA to C
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityB to C
• Drinking water qualityB to D
• Pesticide useC to F
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsC

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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