Little River Sub Watershed Structure No.
Wind
Humidity
19, located in Roswell, Georgia, is a state-regulated dam designed by the Natural Resources Conservation Service for flood risk reduction. Built in 1959, this earth dam stands at a height of 35.2 feet and has a storage capacity of 425 acre-feet. With a drainage area of 770 acres, it serves the primary purpose of flood risk reduction and has a spillway type of "Uncontrolled".
Despite its importance in mitigating flood risks, this structure has been assessed as having a high hazard potential and poor condition as of the last inspection in April 2019. The dam's risk assessment is moderate, with a DSAC (Dam Safety Action Classification) of 3. It is crucial for the relevant authorities to address the poor condition of Structure No. 19 to ensure its continued effectiveness in flood risk reduction and to prioritize necessary risk management measures in order to protect the surrounding area and its inhabitants from potential hazards.
Year Completed |
1959 |
Dam Length |
225 |
Dam Height |
35.2 |
River Or Stream |
UNKNOWN |
Primary Dam Type |
Earth |
Surface Area |
10 |
Hydraulic Height |
31.5 |
Drainage Area |
770 |
Nid Storage |
425 |
Structural Height |
31.5 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
35 |
Etowah River At Canton
|
666cfs |
Big Creek Near Alpharetta
|
112cfs |
Noonday Creek At Shallowford Road
|
47cfs |
Chattahoochee River Above Roswell
|
969cfs |
Dick Creek At Old Atlanta Rd
|
29cfs |
Noonday Creek At Hawkins Store Rd
|
46cfs |