Located in Sequim, Washington, Haller Dam is a private earth dam that was completed in 1945 for fire protection, stock, and small fish pond purposes.
Wind
Humidity
The dam stands at a hydraulic height of 45 feet and a structural height of 25 feet, with a length of 150 feet. It has a storage capacity of 20 acre-feet and serves the Dungeness River-Offstream, providing irrigation for the surrounding area.
Managed by the Washington Department of Ecology, Haller Dam is regulated and inspected by the state, ensuring its safety and compliance with environmental standards. With a low hazard potential and a condition assessment of "Not Rated," the dam continues to provide essential water resources while minimizing any potential risks. Its location in Clallam County along the Dungeness River makes it a vital asset for water management in the region.
As a key infrastructure for water resource management in the area, Haller Dam plays a crucial role in supporting agriculture, fire protection, and wildlife habitat. With its historical significance dating back to the mid-20th century, the dam stands as a testament to the importance of sustainable water usage and climate resilience in the face of changing environmental conditions.
Year Completed |
1945 |
Dam Length |
150 |
River Or Stream |
Dungeness River-Offstream |
Primary Dam Type |
Earth |
Surface Area |
12 |
Hydraulic Height |
45 |
Drainage Area |
0.01 |
Nid Storage |
20 |
Structural Height |
25 |
Hazard Potential |
Low |
Foundations |
Rock, Soil |
Nid Height |
45 |
| Location | Reservations | Toilets |
|---|---|---|
Louella Cabin
|
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Dungeness Forks Campground
|
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Dungeness Forks
|
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Sequim Bay State Park Camping
|
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Sequim Bay State Park
|
||
Camp Tapawingo
|
Sleepy Hollow Creek To Olympic Nf Boundary
Usfs Road 2870 Bridge To Confluence With Dungeness River
Olympic Nf/Olympic Np Boundary To Usfs Road 2870 Bridge
Silver Creek To Sleepy Hollow Creek
Forest Road 2860 Bridge To Silver Creek
Confluence Of Milk Creek And Heather Creeks To Forest Road 2860 Bridge