Little Tallapoosa River Watershed Structure No.
Wind
Humidity
20, also known as Shadow Lake Dam, is a key flood risk reduction structure located in Carrollton, Georgia. Built in 1960 by the Natural Resources Conservation Service, this earth dam stands at 24 feet high and spans 300 feet in length. With a primary purpose of mitigating flood risks, the dam has a normal storage capacity of 147.8 acre-feet and a maximum storage capacity of 1998 acre-feet.
Situated on Hendricks Creek, this dam is classified as having a low hazard potential and a moderate risk level. Although it is currently not rated for condition assessment, the dam has undergone inspections every five years, with the last inspection conducted in November 2017. Despite its uncontrolled spillway and outlet gates, the structure remains a crucial component of the watershed, serving to protect the surrounding areas from potential flooding events.
Owned by the state of Georgia, Little Tallapoosa River Watershed Structure No. 20 is a testament to the collaborative efforts of local and state governments in ensuring water resource management and climate resilience. Its strategic placement and design by the SCS reflect a commitment to safeguarding the community against natural disasters, making it a vital asset in the region's water infrastructure system.
Year Completed |
1960 |
Dam Length |
300 |
Dam Height |
24 |
River Or Stream |
HENDRICKS CREEK |
Primary Dam Type |
Earth |
Surface Area |
38.4 |
Hydraulic Height |
21.2 |
Nid Storage |
1998 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
24 |