Chaplain Lake North Dam, located in Monroe, Washington, serves as a vital water supply structure for the region.
Wind
Humidity
Built in 1940, this earth dam stands at a hydraulic height of 35 feet, with a structural height of 15 feet and a length of 650 feet. The dam has a maximum storage capacity of 18,200 acre-feet and covers a surface area of 450 acres, drawing water from the Tr-Woods Creek for its operations.
Maintained and regulated by the Washington Department of Ecology, Chaplain Lake North Dam is inspected every five years to ensure its structural integrity. With a high hazard potential but a satisfactory condition assessment as of July 2019, the dam plays a crucial role in managing water resources in Snohomish County. Despite its age, the dam continues to meet the region's water supply needs and remains a key component in mitigating the impacts of climate change on local water systems.
As climate change poses increasing challenges to water resources, Chaplain Lake North Dam stands as a testament to the importance of sustainable water management infrastructure. With its role in supplying water to the region and its continued operation under regulatory oversight, the dam serves as a critical asset in ensuring water security for the community. As discussions around climate adaptation and resilience grow, Chaplain Lake North Dam's significance in safeguarding water resources in Snohomish County remains paramount.
Year Completed |
1940 |
Dam Length |
650 |
River Or Stream |
Tr-Woods Creek |
Primary Dam Type |
Earth |
Surface Area |
450 |
Hydraulic Height |
35 |
Drainage Area |
2.6 |
Nid Storage |
18200 |
Structural Height |
15 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
35 |
Sultan River Below Diversion Dam Near Sultan
|
1950cfs |
Sultan River Below Powerplant Near Sultan
|
3580cfs |
Pilchuck River Near Snohomish
|
1020cfs |
South Fork Sultan River Near Sultan
|
132cfs |
Skykomish River Near Gold Bar
|
7530cfs |
Snohomish River Near Monroe
|
28500cfs |
| Location | Reservations | Toilets |
|---|---|---|
Camp Edward BSA (Boy Scouts of America)
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Camp Pigott
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Flowing Lake County Park
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Verlot Campground
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Turlo Campground
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Verlot
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