East Baton Rouge Parish, LA

ZIP 70811

In ZIP 70811, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Baton Rouge Water Company meets every EPA legal limit; 15 contaminants are above health goals, led by arsenic at 214× California’s Public Health Goal.
• Nearest Superfund site: Devil's Swamp Lake, 4.0 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Basf Corp (19%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 18,610 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 70811

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

Based on 7 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…