Stormwater Management Practices

salmon in wetlandSustainable stormwater management is a cornerstone of our sustainable campus, as our campus includes the North Creek stream channel and the 58 acre restored wetlands that serve as vital stormwater infrastructure to keep this stream healthy. Upstream of the wetlands, the campus has multiple bioswales and a robust system of stormwater management infrastructure (catch basins, conveyance, oil-water separator vaults, etc.) that follows LID principles..

UW Bothell has been a Salmon Safe Certified campus since 2008. Salmon Safe is the nation’s first and only peer-reviewed certification program linking university land management practices with the protection of urban watersheds. Salmon Safe’s urban development certification program is intended to promote ecologically sustainable land management that protects water quality and aquatic biodiversity. Salmon Safe Certification is primarily focused on protection of vulnerable salmon species and their habitat requirements, with the primary core certification standards assessing the campus's stormwater runoff management practices, erosion prevention and sediment control, and pesticide reduction and water quality protection in landscaping, among other criteria. UW Bothell’s continued work to meet Salmon Safe certification standards ensures that UW Bothell is committed to maintaining sustainable stormwater management practices as our campus continues to develop.

The developing Campus Master Plan describes the campus’s commitment to sustainable stormwater management practices throughout future development and growth plans for the campus. The Master Plan guidelines for stormwater treatment include:

  • Grading should be designed to facilitate durface drainage, limit soil erosion, and avoid instability
  • Where possible, site development should maintain and enhance natural drainage patterns
  • Stormwater drainage from impervious surfaces should be directed to pervious surfaces to encourage infiltration, biofiltration, and/or absorption to reduce the volume of runoff to be handled by piped systems
  • Swales should be planted in such a manner as to reinforce the visual quality and continuity of the adjacent area
  • Trees, especially along campus streets, serve to filter pollutants originating from vehicles and also shade nearby buildings, reducing cooling costs and providing a cooler microclimate for sidewalks and streets

Stormwater Permit

UW Bothell's stormwater management practices are established by our municipal stormwater permit. The whole campus is classified as a secondary permittee under the Western Washington Phase II Municipal Stormwater Permit. As such, UW Bothell must comply with permit requirements and all relevant ordinances, rules, and regulations of the City of Bothell. As a Phase II Secondary Permittee, UW Bothell is required to develop and implement a Stormwater Management Program. The Program is designed and implemented to reduce the discharge of pollutants from the stormwater system to the maximum extent to protect water quality. The UW Bothell stormwater management program includes: public education and outreach on the impacts of stormwater pollution; public involvement and participation; illicit discharge detection and elimination; construction site stormwater runoff control; post-construction stormwater management for new development and redevelopment; and pollution prevention and good housekeeping for facilities operations.

Read about our stormwater management program: