Elm River Det.D.#3 is a crucial infrastructure located in Cass, North Dakota, designed by the USDA NRCS to serve as a flood risk reduction system along the Middle Branch Elm River.
Wind
Humidity
Completed in 1962, this earth dam stands at a height of 20 feet with a length of 2430 feet, providing a storage capacity of 1102 acre-feet and a surface area of 27.7 acres. The dam is regulated by the NDSWC and is subject to state jurisdiction, permitting, inspection, and enforcement, ensuring its operational efficiency in safeguarding the surrounding area from potential flooding events.
With a spillway width of 200 feet and a significant hazard potential, Elm River Det.D.#3 plays a crucial role in managing flood risk in the region. Despite not being condition-rated, the dam's risk assessment indicates a moderate level of risk, prompting the need for ongoing risk management measures and potential modifications. The dam's emergency action plan status, inundation maps, and risk assessment summaries are areas that may require further attention to enhance the overall safety and effectiveness of the structure in mitigating flood-related threats. Enthusiasts of water resources and climate will find Elm River Det.D.#3 to be a compelling case study in flood risk reduction infrastructure and the importance of effective regulatory oversight and risk management practices in ensuring community resilience against natural disasters.
Year Completed |
1962 |
Dam Length |
2430 |
Dam Height |
20 |
River Or Stream |
MIDDLE BRANCH ELM RIVER |
Primary Dam Type |
Earth |
Surface Area |
27.7 |
Drainage Area |
7.3 |
Nid Storage |
1102 |
Outlet Gates |
None |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
20 |
Rush River At Amenia
|
5cfs |
Maple River Nr Hope
|
0cfs |
Maple River Bl Mapleton
|
35cfs |
Maple River Nr Mapleton
|
32cfs |
Goose River At Hillsboro
|
27cfs |
Goose River Near Portland
|
18cfs |
| Location | Reservations | Toilets |
|---|---|---|
Brewer Lake Recreation Area
|
||
Page City Park Campground
|
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Galesburg City Campground
|
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Hunter City Park Campground
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