Hydraulics

The WSDOT headquarters hydraulics section provides technical support, training and policy in the fields of hydraulics, fish passage, hydrology and stormwater to ensure our roadways provide a safe, effective and efficient movement of people and goods while maintaining the natural movement and treatment of water throughout our watersheds and water bodies.

In addition, the headquarter hydraulics section coordinates and provides technical guidance and policy for research in the fields of hydraulics, fish passage, hydrology and stormwater. Find for more information (pdf 123 kb) about the Hydraulics Section roles and responsibilities in supporting statewide project delivery. 

Resource and guidance materials


Precipitation Information


Approved Drawings
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