Now showing items 1-2 of 2

    • A Survey of Ditches Along County Roads for Their Potential to Affect Storm Runoff Water Quality 

      Colwell, Shanti; Horner, Richard R.; Booth, Derek B.; Gilvydis, Dalius (University of Washington Center for Urban Water Resources Management, 2000-07)
      Twenty years of research have demonstrated that the water quality of stormwater runoff can improve after flowing in a well-vegetated channel, relatively slowly, at a depth below the vegetation height. These channels are ...
    • Vegetated Stormwater Facility Maintenance 

      Cammermayer, Jon W.; Horner, Richard R.; Chechowitz, Naomi (University of Washington Department of Civil and Environmental Engineering, 2000-12)
      This study had three objectives and associated work components: Component 1 -- assess routine highway ditch cleaning alternatives ("Service Levels") for water quality benefits; Component 2—survey biofiltration swales to ...