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Our goal is to:
- Protect Human Life and Property from Dam Failures.
- Assure Proper Dam Construction, Operations and Maintenance.
Navigate using the menu to the left or by clicking a link.
Services We Provide for Dams We Regulate
Construction Services
- Construction Plan Reviews.
- Construction Inspections.
Inspection Services
- Periodic Inspections.
- Special Purpose Inspections.
- Public Request Inspections.
Emergency Response Services
- Floods.
- Earthquakes.
- Acts of Terrorism.
- All Other Causes.
Services We Provide for Dams We Do NOT Regulate
Coordination Services
- Federally-owned dams and/or
- Hydropower dams.
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TECHNICAL NOTE 3:
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revised design storm calculations
Tumwater Falls Dam 
December 2007 Storm Thurston County
Embankment Failure 
A Dam Breach - Walla Walla County
Three Tainter Gates 
Lake Whatcom Dam
Peak flow at Tahuya 
Tahuya River Dam in Kitsap County
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