Redan Water Hardness & Quality Report (2026)

Redan, Georgia, an unincorporated community in DeKalb County — a major east DeKalb County Atlanta suburban community (Redan is a significant unincorporated DeKalb County community in the east DeKalb–Stone Mountain corridor — a primarily residential east Atlanta suburban community adjacent to Lithonia and Stone Mountain), a diverse DeKalb County community with a significant African-American and working-class professional population (Redan is one of the more predominantly African-American communities in the east DeKalb County corridor — a community that has seen significant demographic change since the 1980s), adjacent to Stone Mountain Park (one of the major Georgia state parks — the Stone Mountain Confederate Memorial carving is the largest bas-relief sculpture in the world, and the park is one of the most visited tourist attractions in Georgia), and a community in the east DeKalb I-20 suburban corridor — draws its municipal water supply via the DeKalb County Water and Sewer. Water hardness in Redan measures 150.5 mg/L — classified as hard.

Redan's hard supply reflects the DeKalb County Water east distribution zone characteristics. The DeKalb County Water (South River and Yellow River watershed — draining the Precambrian–Paleozoic Georgia Piedmont gneiss) distributes to the east Redan zone (primarily 1960s–1980s suburban development mains), producing the hard 150.5 mg/L.

At 150.5 mg/L, Redan residents face regular hard water challenges. Monthly descaling with citric acid solution is recommended. DeKalb County Water and Sewer consistently delivers water meeting all Georgia EPD and EPA Safe Drinking Water Act requirements.