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Environment

Contacts

Alex Nguyen
206-440-4537
Nguyeal@wsdot.wa.gov

Stormwater Research

Stormwater management is a complex task with a variety of regulatory drivers and constraints. It spans numerous technical disciplines including hydraulics, hydrology, geology, and water quality. For transportation projects, the extensive and linear nature of the highway network constrains the use of conventional stormwater management approaches while requiring safe access for maintenance of stormwater treatment facilities. To help meet these challenges, the Washington State Department of Transportation (WSDOT) relies on research efforts to help identify state-of-the-art, cost-effective solutions for designing, constructing, and maintaining stormwater management systems.  Biofiltration Swale photoby WSDOT

Biofiltration Swale

Past WSDOT Stormwater Research

Current WSDOT Stormwater Research

  • Steep Slope Ksat Study - quantify runoff volume loss over roadway embankments as stormwater flows down the slope.
  • CAVFS vs Compost Blanket over a VFS application for BMP runoff treatment effectiveness.