Glynn County, GA

ZIP 31561

In ZIP 31561, 1 of the 12 things we check have at least one part graded D or F.

• Drinking water: St. Simons Island meets every EPA legal limit; 7 contaminants are above health goals, led by bromodichloromethane at 64× California’s Public Health Goal.
• Nearest Superfund site: Terry Creek Dredge Spoil Areas/hercules Outfall, 7.1 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Brunswick Cellulose LLC (100%), mostly formaldehyde.
• Fine particles (PM2.5) average 6.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 553 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 31561

• Superfund sites nearbyD
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityB to C
• Pesticide useA
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…