Iberia Parish, LA

ZIP 70528

In ZIP 70528, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Town Of Erath Water System meets every EPA legal limit; 10 contaminants are above health goals, led by lead at 12× California’s Public Health Goal.
• Nearest Superfund site: D.l. Mud, Inc., 7.9 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Catalyst Recovery Of Louisiana LLC (56%), mostly cobalt compounds.
• Fine particles (PM2.5) average 7.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 310,040 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 70528

• Superfund sites nearbyA
• Factories and industrial sitesB
• Oil and gas wellsF
• Parks and nature nearbyC to D
• Air qualityC
• Drinking water qualityD
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsB

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

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