St. Tammany Parish, LA

ZIP 70461

In ZIP 70461, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Utilities Inc - Kingspoint Subdivision meets every EPA legal limit; 7 contaminants are above health goals, led by chloroform at 95× California’s Public Health Goal.
• Nearest Superfund site: Southern Shipbuilding, 4.6 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Rain Cii Carbon LLC (38%), mostly nickel compounds.
• Fine particles (PM2.5) average 8.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 4,970 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 70461

• Superfund sites nearbyD
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityC to D
• Drinking water qualityA to D
• Pesticide useA to C
• Neighborhood health statusB to F
• Past wildfire impactsA
• Past flood impactsC to D
• Noise levelsA
• Radiation signalsA

Based on 6 census tracts · compiled October 25, 2026 · how each grade works and its sources

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