Caddo Parish, LA

ZIP 71129

In ZIP 71129, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Town Of Greenwood Water System meets every EPA legal limit; 12 contaminants are above health goals, led by lead at 54× California’s Public Health Goal.
• Nearest Superfund site: Stewco, Inc., 6.9 miles away.
• Largest share of modeled toxic air from industry: Alloy Piping Products LLC (33%), mostly chromium.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 244,659 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 71129

• Superfund sites nearbyA
• Factories and industrial sitesA to C
• Oil and gas wellsD to F
• Parks and nature nearbyC to D
• Air qualityC
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA
• Radiation signalsB to C

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…