Alkali Lake, located in Soap Lake, Washington, is a state-owned reservoir primarily used for recreation.
Wind
Humidity
The dam, completed in 1950, is a gravity-type structure with a height of 12 feet and a length of 500 feet, providing a storage capacity of 2,449 acre-feet. The lake covers a surface area of 290 acres and drains an area of 79 square miles, with a maximum discharge of 110 cubic feet per second.
Managed by the Washington Department of Ecology, Alkali Lake has a low hazard potential and has not been rated for its condition. Despite its last inspection dating back to 1998, the dam remains in good standing with state regulations and enforcement measures. With its location near the Tr-Columbia River and within Congressional District 04, Alkali Lake serves as an important water resource for the region, attracting water resource and climate enthusiasts interested in its ecological impact and recreational opportunities.
Overall, Alkali Lake presents a unique opportunity for visitors to enjoy outdoor activities while also serving as a vital water management structure in Grant County, Washington. With its historical significance and environmental value, the lake continues to be a focal point for those interested in water resource management and climate resilience in the Pacific Northwest.
Year Completed |
1950 |
Dam Length |
500 |
River Or Stream |
Tr-Columbia Rive |
Primary Dam Type |
Gravity |
Surface Area |
290 |
Hydraulic Height |
12 |
Drainage Area |
79 |
Nid Storage |
2449 |
Structural Height |
9 |
Hazard Potential |
Low |
Foundations |
Rock, Soil |
Nid Height |
12 |
Crab Creek Near Moses Lake
|
34cfs |
Wilson Creek Below Corbett Draw Near Almira
|
0cfs |
Chelan River At Chelan
|
724cfs |
Crab Creek At Irby
|
2cfs |
Entiat River Near Entiat
|
1950cfs |
Wenatchee River At Monitor
|
36300cfs |
| Location | Reservations | Toilets |
|---|---|---|
Alkali Lake - WDFW
|
||
Blue Lake - WDFW
|
||
Sun Lakes State Park Resort
|
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Ankeny No. 1 - WDFW
|
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Jameson Lake
|
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Coulee City Community Park
|