The Cranberry Lake Stormwater Detention Dam in Mason, Washington, is a crucial structure designed for flood risk reduction along Cranberry Creek.
Wind
Humidity
Completed in 1990, this earth dam stands at a hydraulic height of 8 feet and a structural height of 10 feet, with a length of 290 feet. It has a normal storage capacity of 3100 acre-feet and can hold a maximum of 3400 acre-feet, covering a surface area of 450 acres.
Located within the jurisdiction of the Washington Department of Ecology, this privately owned dam is inspected regularly, with the last assessment conducted in August 2020, reporting a satisfactory condition. The hazard potential is assessed as high, emphasizing the importance of proper maintenance and emergency preparedness. The dam plays a vital role in protecting surrounding areas from flooding, showcasing the collaborative efforts between private owners and state regulatory agencies to ensure the safety and resilience of the community.
With a primary purpose of flood risk reduction, the Cranberry Lake Stormwater Detention Dam serves as a critical infrastructure in managing water resources and mitigating the impacts of extreme weather events. Its strategic location and design reflect a commitment to safeguarding the environment and local communities from potential hazards, highlighting the importance of sustainable water management practices in the face of climate change challenges.
Year Completed |
1990 |
Dam Length |
290 |
River Or Stream |
Cranberry Creek |
Primary Dam Type |
Earth |
Surface Area |
450 |
Hydraulic Height |
8 |
Drainage Area |
6.5 |
Nid Storage |
3400 |
Structural Height |
10 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
10 |
| Location | Reservations | Toilets |
|---|---|---|
Potlatch State Park
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Potlach State Park Campground
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Twanoh State Park
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Jarrell Cove State Park
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Camp Hahobas
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