Walker County, GA

ZIP 30728

In ZIP 30728, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Walker County Water Authority has 2 contaminants at or over an EPA legal limit; 10 contaminants are above health goals, led by pfos at 10× California’s Public Health Goal.
• Nearest Superfund site: Mathis Brothers Landfill (south Marble Top Road), 5.3 miles away.
• Largest share of modeled toxic air from industry: Lamberti Synthesis USA Inc (19%), 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 13,930 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 30728

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

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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