St. Tammany Parish, LA

ZIP 70461

In ZIP 70461, 7 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; 11 contaminants are above health goals, led by lead at 84× 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 sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityC to D
• Drinking water qualityC to F
• Pesticide useB to D
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsC to D
• Noise levelsA
• Radiation signalsB

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…