Prince George's County, MD

ZIP 20746

In ZIP 20746, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Washington Suburban Sanitary Commission has 2 contaminants at or over an EPA legal limit; 20 contaminants are above health goals, led by arsenic at 274× California’s Public Health Goal.
• Nearest Superfund site: Washington Navy Yard, 2.8 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Elite Spice Inc. (53%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 33,676 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 20746

• Superfund sites nearbyD to F
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyD to F
• Air qualityD to F
• Drinking water qualityD
• Pesticide useB to D
• Neighborhood health statusA to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to C
• Radiation signalsC

Based on 12 census tracts · compiled September 10, 2026 · how each grade works and its sources

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