Blalock Lake Dam, located in Rabun County, Georgia, was completed in 1975 and serves primarily for fire protection, as well as for stock and small fish pond purposes. This private earth dam stands at a height of 31.6 feet, with a hydraulic height of 20 feet, and a length of 255 feet. The dam has a storage capacity of 14.6 acre-feet and covers a surface area of 2 acres, with a drainage area of 57 acres.

Although Blalock Lake Dam is considered to have a low hazard potential, its risk assessment is rated as moderate. The dam features an uncontrolled spillway and outlet gates, with the last recorded inspection dating back to April 1982. Despite its condition being assessed as "Not Rated," the dam continues to play a crucial role in water resource management and climate resilience efforts in the region. The dam's strategic location in the Wiley Environs area contributes to its importance in safeguarding against potential threats and ensuring water security for the surrounding communities.