Upper Buffalo #33a Dam, located in Mannington, West Virginia, serves as a crucial flood risk reduction structure along the Flat Run river.
Wind
Humidity
Constructed in 1992 by the USDA NRCS, this earth dam stands at 51 feet tall and spans 400 feet in length, providing a maximum storage capacity of 507 acre-feet. Despite its uncontrolled spillway and high hazard potential, the dam has been assessed as satisfactory in condition and meets regulatory standards set by the DWWM.
With its primary purpose being flood risk reduction, Upper Buffalo #33a Dam plays a vital role in protecting the surrounding area from potential inundation during heavy rainfall events. This local government-owned structure is subject to regular inspections, with the last assessment conducted in August 2015. While the dam has a moderate risk rating, appropriate risk management measures are in place to ensure the safety and integrity of the dam for the community it serves.
As an essential part of the water resource infrastructure in Marion County, Upper Buffalo #33a Dam highlights the collaborative efforts between federal agencies like the NRCS and state regulators to safeguard the region from flooding. With its strategic location and design features, this dam stands as a testament to effective flood risk reduction efforts and serves as a critical asset for climate resilience in the area.
Year Completed |
1992 |
Dam Length |
400 |
Dam Height |
51 |
River Or Stream |
FLAT RUN |
Primary Dam Type |
Earth |
Surface Area |
6 |
Nid Storage |
507 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
High |
Foundations |
Rock, Soil |
Nid Height |
51 |
Buffalo Creek At Barrackville
|
25cfs |
West Fork River At Enterprise
|
398cfs |
Tygart Valley River At Colfax
|
1380cfs |
Deckers Creek At Morgantown
|
43cfs |
Dunkard Creek At Shannopin
|
57cfs |
West Fork River Near Mount Clare
|
271cfs |