Wrich Dam 1, located in Washington County, Nebraska, is a privately owned earth dam designed by the USDA NRCS in 1960 for flood risk reduction on TR-MILL CREEK.
Wind
Humidity
Standing at a height of 53 feet, this structure provides a critical function in safeguarding the surrounding area from potential flooding events. With a storage capacity of 70 acre-feet and a drainage area of 0.4 square miles, Wrich Dam 1 plays a crucial role in managing water resources in the region.
Maintained and regulated by the Nebraska Department of Natural Resources, Wrich Dam 1 has a low hazard potential and is deemed to be in satisfactory condition as of the last inspection in May 2016. The dam features stone core construction on a soil foundation, with a length of 339 feet and a maximum discharge capacity of 1014 cubic feet per second. Despite its modest surface area of 3 acres, the dam serves as an important asset in mitigating flood risks and protecting the downstream community of OMAHA from potential water-related disasters.
As a key component of the flood risk reduction strategy in the area, Wrich Dam 1 not only helps manage water flow and storage but also contributes to the overall resilience of the local ecosystem. With its strategic location and design, this earth dam stands as a testament to the collaborative efforts between private owners and government agencies in ensuring the safety and sustainability of water resources in Washington County, Nebraska.
Year Completed |
1960 |
Dam Length |
339 |
Dam Height |
51 |
River Or Stream |
TR-MILL CREEK |
Primary Dam Type |
Earth |
Surface Area |
3 |
Hydraulic Height |
51 |
Drainage Area |
0.4 |
Nid Storage |
70 |
Structural Height |
53 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
53 |
Big Papillion Cr
|
38cfs |
Elkhorn River At Waterloo
|
1120cfs |
Platte River Nr Leshara
|
5270cfs |
Missouri River At Omaha
|
17700cfs |
Boyer River At Logan
|
417cfs |
Maple Creek Near Nickerson
|
51cfs |
| Location | Reservations | Toilets |
|---|---|---|
Wilson Island State Rec Area
|
||
Glenn Cunningham Lake
|
||
Lake Cunningham
|
||
Missouri Valley City Park
|