Located in Marion County, Oregon, S-M-S No.
Wind
Humidity
1 is a privately owned earth dam constructed in 1966 for recreational purposes along the Pudding River, a tributary to the Willamette River. With a dam height of 30 feet and a structural height of 32 feet, the reservoir created by S-M-S No. 1 has a storage capacity of 57 acre-feet and covers a surface area of 4.6 acres.
Managed by the Natural Resources Conservation Service, this dam has a low hazard potential and is classified as "Not Rated" in terms of its condition assessment. With a normal storage capacity of 52 acre-feet, the dam has an outlet gate in the form of a slide (sluice gate) and a maximum discharge capacity of 25 cubic feet per second. The last inspection of S-M-S No. 1 was conducted in October 2020, with a scheduled inspection frequency of every 6 years.
Although primarily used for recreational purposes, S-M-S No. 1 plays a role in water resource management and contributes to the overall hydrology of the region. Its presence along the Pudding River showcases the intersection between human-made infrastructure and natural water systems, highlighting the importance of sustainable dam operation and maintenance in the face of changing climate conditions.
Year Completed |
1966 |
Dam Length |
400 |
Dam Height |
30 |
River Or Stream |
PUDDING RIVER, TRIB TO |
Primary Dam Type |
Earth |
Surface Area |
4.6 |
Hydraulic Height |
28 |
Drainage Area |
0.32 |
Nid Storage |
57 |
Structural Height |
32 |
Outlet Gates |
Slide (sluice gate) |
Hazard Potential |
Low |
Nid Height |
32 |
Silver Creek At Silverton
|
52cfs |
Abiqua Creek At Silverton
|
74cfs |
North Santiam River At Mehama
|
7440cfs |
Little North Santiam River Near Mehama
|
1310cfs |
Willamette River At Salem
|
35800cfs |
Butte Creek At Monitor
|
453cfs |
| Location | Reservations | Toilets |
|---|---|---|
Silver Falls State Park
|
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North Falls Group Camp
|
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Howard Creek Horse Camp
|
||
F
|
||
A
|
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D
|