Columbia County, GA

ZIP 30809

In ZIP 30809, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Martinez Water Assoc. meets every EPA legal limit; 6 contaminants are above health goals, led by bromodichloromethane at 106× California’s Public Health Goal.
• Nearest Superfund site: Alternate Energy Resources Inc, 6.0 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Kendall Patient Recovery LLC (47%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,405 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 30809

• 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 qualityC
• Pesticide useA to C
• Neighborhood health statusA to C
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to B
• Radiation signalsA to C

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

Loading the full report, with every source…