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Smith Helen is a privately owned earth dam located in Custer County, Oklahoma.
Built in 1984 by the USDA NRCS, this dam serves multiple purposes and stands at a height of 25 feet with a hydraulic height of 20 feet. The dam has a capacity of 50 acre-feet and a surface area of 2 acres, regulating the flow of TR QUATERMASTER CR.
Maintained by the OWRB, Smith Helen has a controlled spillway and a single valve outlet gate. Despite being rated as "Not Rated" in terms of condition assessment, the dam is considered to have a very high risk level, with its hazard potential still undetermined. The dam is in the jurisdiction of the state and is subject to regular inspections, with the last one conducted in August 2006.
For water resource and climate enthusiasts, Smith Helen presents a unique case study of a privately owned dam with a significant risk level in Oklahoma. With its design by USDA NRCS and regulation by OWRB, this earth dam continues to play a crucial role in managing water resources in the region. Its high risk level underscores the importance of ongoing monitoring and maintenance to ensure the safety and stability of the structure for the surrounding community and the environment.
Willamette River At Newberg
|
12800cfs |
Pudding River Near Woodburn
|
322cfs |
Pudding River At Aurora
|
535cfs |
Zollner Creek Near Mt Angel
|
320cfs |
Molalla River Near Canby
|
499cfs |
Butte Creek At Monitor
|
79cfs |
Year Completed |
1984 |
Dam Height |
25 |
River Or Stream |
TR QUATERMASTER CR |
Primary Dam Type |
Earth |
Surface Area |
2 |
Hydraulic Height |
20 |
Nid Storage |
50 |
Structural Height |
25 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Undetermined |
Foundations |
Soil |
Nid Height |
25 |
| Location | Reservations | Toilets |
|---|---|---|
Blue Heron
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Otter
|
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Beaver Island Group Camp
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Hiker/Biker Camp
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Clackamette RV Park
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Feyrer Park
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