Terrebonne Parish, LA

ZIP 70353

In ZIP 70353, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Houma Water Treatment Service Area meets every EPA legal limit; 15 contaminants are above health goals, led by lead at 9.8× California’s Public Health Goal.
• Closer to Superfund sites than 73% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Bollinger Houma Shipyards LLC (69%), mostly chromium.
• Fine particles (PM2.5) average 7.3 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 70353

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

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…