Terrebonne Parish, LA

ZIP 70363

In ZIP 70363, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Schriever Water Treatment Service Area meets every EPA legal limit; 17 contaminants are above health goals, led by lead at 19× California’s Public Health Goal.
• Nearest Superfund site: Delta Shipyard, 1.0 miles away.
• Largest share of modeled toxic air from industry: Bollinger Houma Shipyards LLC (85%), mostly chromium.
• Fine particles (PM2.5) average 8.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 24,318 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 70363

• Superfund sites nearbyC to F
• Factories and industrial sitesB to C
• Oil and gas wellsC to F
• Parks and nature nearbyB to F
• Air qualityB to D
• Drinking water qualityD
• Pesticide useC to F
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsA to C
• Noise levelsA
• Radiation signalsB to C

Based on 12 census tracts · compiled September 10, 2026 · how each grade works and its sources

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