Upper Turtle R.Fld.Ret.#2, located in Grand Forks, North Dakota, is a flood risk reduction structure designed and constructed by the USDA NRCS in 1974.
Wind
Humidity
This earth dam, standing at a height of 59 feet and a length of 2625 feet, serves the primary purpose of flood risk reduction along the Skunk Coulee river. With a storage capacity of 1338 acre-feet and a surface area of 11.8 acres, this structure plays a crucial role in mitigating flooding in the region.
Managed by the local government and regulated by the NDSWC, Upper Turtle R.Fld.Ret.#2 has a low hazard potential and a moderate risk assessment level. While it has not been inspected since 2013, the structure remains in good condition and is not rated for its current state. With no outlet gates and an uncontrolled spillway, this dam continues to provide critical flood protection for the community of Niagara and the surrounding area.
As climate change continues to impact water resources and increase the frequency of extreme weather events, structures like Upper Turtle R.Fld.Ret.#2 play a vital role in protecting communities from flooding and reducing the associated risks. With proper maintenance and periodic inspections, this earth dam will continue to serve as a crucial asset in the region's water resource management efforts.
Year Completed |
1974 |
Dam Length |
2625 |
Dam Height |
59 |
River Or Stream |
SKUNK COULEE |
Primary Dam Type |
Earth |
Surface Area |
11.8 |
Drainage Area |
12 |
Nid Storage |
1338 |
Structural Height |
62 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
62 |
| Location | Reservations | Toilets |
|---|---|---|
Fordville Dam and Rec Area
|
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Matejeck Dam Rec Area
|
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Kolding Dam/Upper Turtle Reservoir
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