Terrebonne Parish, LA
ZIP 70344
In ZIP 70344, 4 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, 6.5 miles away.
- Largest share of modeled toxic air from industry: Discovery Producer Services:Larose Cryogenic Plant (67%), mostly formaldehyde.
- Fine particles (PM2.5) average 7.5 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 70344
- Superfund sites nearbyA to C
- Factories and industrial sitesB
- Oil and gas wellsD to F
- Parks and nature nearbyB to C
- Air qualityB to C
- Drinking water qualityD
- Pesticide useD to F
- Neighborhood health statusD to F
- Past wildfire impactsA
- Past flood impactsA to B
- Noise levelsA
- Radiation signalsB
Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources
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Other ZIP codes in Terrebonne Parish
All of Terrebonne Parish · All of Louisiana · How grades work