Ascension Parish, LA

ZIP 70769

In ZIP 70769, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Diversion Water - Stonehill meets every EPA legal limit; 7 contaminants are above health goals, led by bromodichloromethane at 149× California’s Public Health Goal.
• Nearest Superfund site: Dutchtown Treatment Plant, 9.4 miles away.
• Largest share of modeled toxic air from industry: Basf Corp (41%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 44,318 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 70769

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

Based on 14 census tracts · compiled October 25, 2026 · how each grade works and its sources

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