Washington Parish, LA

ZIP 70438

In ZIP 70438, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Varnado Water Works - Pine meets every EPA legal limit; 6 contaminants are above health goals, led by arsenic at 218× California’s Public Health Goal.
• Nearest Superfund site: Colonial Creosote, 7.1 miles away.
• Largest share of modeled toxic air from industry: International Paper Bogalusa Mill (100%), mostly formaldehyde.
• Fine particles (PM2.5) average 7.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 28,567 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 70438

• Superfund sites nearbyA to D
• Factories and industrial sitesA to C
• Oil and gas wellsA to C
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityA to C
• Pesticide useB to F
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsB to C
• Noise levelsA
• Radiation signalsA to B

Based on 11 census tracts · compiled October 25, 2026 · how each grade works and its sources

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