Sasse Reservoir Dam, located in Okanogan, Washington, was completed in 1910 with a primary purpose of recreation.
Wind
Humidity
The dam is owned by the state and regulated by the Washington Department of Ecology. With a low hazard potential and a structural height of 8 feet, the dam holds a storage capacity of 60 acre-feet on the Tr-Okanogan River.
The earth dam, constructed with stone core types and soil foundations, has a hydraulic height of 10 feet and a length of 140 feet. The reservoir covers a surface area of 3 acres and has a drainage area of 3.82 square miles. While the dam is not currently rated for its condition, it meets all necessary state regulations for inspection and enforcement.
Sasse Reservoir Dam provides a valuable recreational resource for the surrounding area while also serving as a critical water management structure. Its low hazard potential and state jurisdiction ensure the safety and integrity of the dam, making it a vital asset for water resource and climate enthusiasts in Washington.
Year Completed |
1910 |
Dam Length |
140 |
River Or Stream |
Tr-Okanogan River |
Primary Dam Type |
Earth |
Surface Area |
3 |
Hydraulic Height |
10 |
Drainage Area |
3.82 |
Nid Storage |
60 |
Structural Height |
8 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
10 |
Okanogan River Near Tonasket
|
8640cfs |
Omak Creek Near Omak
|
8cfs |
Okanogan River At Malott
|
2420cfs |
Okanogan River At Oroville
|
340cfs |
Similkameen River Near Nighthawk
|
11700cfs |
Methow River At Winthrop
|
4510cfs |
| Location | Reservations | Toilets |
|---|---|---|
Fish Lake 1
|
||
Southwest End - WDFW
|
||
Fish Lake 3
|
||
Fish Lake 4
|
||
Fish Lake #5
|
||
Fish Lake - WDFW
|