Bronx County, NY

ZIP 10473

In ZIP 10473, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: New York City System meets every EPA legal limit; 9 contaminants are above health goals, led by chloroform at 86× California’s Public Health Goal.
• Nearest Superfund site: Radium Chemical Co., Inc., 5.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Eto Sterilization (52%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 10473

• Superfund sites nearbyD
• Factories and industrial sitesC
• Oil and gas wellsA to B
• Parks and nature nearbyD to F
• Air qualityD to F
• Drinking water qualityC
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsB to D
• Radiation signalsC

Based on 15 census tracts · compiled September 10, 2026 · how each grade works and its sources

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