Pelton Regulating, also known as Pelton Reregulating Reservoir, is a privately owned structure located in Warm Springs, Oregon, along the Deschutes River.
Wind
Humidity
Built in 1958, this gravity dam stands at 40 feet tall and has a storage capacity of 3,500 acre-feet. With a maximum discharge of 30,000 cubic feet per second, the reservoir covers a surface area of 210 acres and serves multiple purposes including hydroelectric power generation.
Managed by the Federal Energy Regulatory Commission, Pelton Regulating plays a crucial role in regulating water flow and ensuring a stable water supply for the surrounding area. Despite its high hazard potential, its risk assessment is rated very high, emphasizing the importance of effective risk management measures. The dam features a controlled spillway with a width of 80 feet and four slide gates for water control.
The structure has not been inspected since September 2020, highlighting the need for regular monitoring and maintenance to ensure its structural integrity and safety. With its significant impact on water resources and climate in the region, Pelton Regulating remains a vital component of the local ecosystem and energy infrastructure.
Year Completed |
1958 |
Dam Length |
1067 |
Dam Height |
40 |
River Or Stream |
Deschutes River |
Primary Dam Type |
Gravity |
Surface Area |
210 |
Hydraulic Height |
25 |
Drainage Area |
7636 |
Nid Storage |
3500 |
Structural Height |
40 |
Outlet Gates |
Slide (sluice gate) - 4 |
Hazard Potential |
High |
Nid Height |
40 |
Deschutes River Near Madras
|
4100cfs |
Shitike Creek Near Warm Springs
|
59cfs |
Warm Springs River Near Kahneeta Hot Springs
|
237cfs |
Metolius River Near Grandview
|
1290cfs |
Deschutes River Near Culver
|
841cfs |
Crooked River Below Opal Springs
|
1230cfs |
| Location | Reservations | Toilets |
|---|---|---|
D98.87R
|
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D97.73R
|
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D97.38R
|
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Pelton Park
|
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Mecca Flat Campground
|
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Mecca Flat Group Use Site
|