Twiggs County, GA

ZIP 31020

In ZIP 31020, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Jeffersonville meets every EPA legal limit; 5 contaminants are above health goals, led by lead at 14× California’s Public Health Goal.
• Nearest Superfund site: Macon Naval Ordnance Plant, 2.1 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Cherokee Brick & Tile Co (78%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 37,873 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 31020

• Superfund sites nearbyC to F
• Factories and industrial sitesB to D
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityB to C
• Drinking water qualityA to D
• Pesticide useC to F
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to C
• Radiation signalsC to D

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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