Environment - Research

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Stormwater Research - Proposals

 

 

Photo of SR 525 filtration pond taken by WSDOT Water Quality Staff

  • Rapid assessment (pdf 27 kb)
    Rapid assessment for highway runoff toxicity and ecological effects 
     
  • Effects of airborne contaminants   (pdf 27 kb)
    Effects of airborne contaminants and adjacent land uses on highway runoff
     
  • Threshold traffic densities
    Do threshold traffic densities exist below which runoff pollution is negligible?  (pdf 21 kb)
      
  • Pollutants in runoff  (pdf 28 kb)
    Unconventional, unevaluated, or under-evaluated pollutants in runoff 
     
  • Spatial Scales (pdf 28 kb)
    Effects of highway runoff constituents on receiving waters at different spatial scales  
     
  • Characteristic Ranges (pdf 44 kb)
    What are the characteristic ranges in particle size distribution (PSD), specific gravities, and specific surface areas of suspended solids contained in highway runoff?  
     
  • Treatment systems (pdf 45 kb)
    How can treatment systems be modified to improve dissolved metals removal? 
     
  • Bioavailability of contaminants (pdf 33 kb)
    What is the bioavailability of contaminants in highway stormwater runoff?  
     
  • Improved Infiltration Capacities (pdf 28 kb)
    How can current stormwater treatment system designs be modified to improve their infiltration capacities?  
      
  • Difficult settings (pdf 36 kb)
    Are there difficult settings (ferry docks, bridges, etc.) where intensive maintenance and source controls can supplant conventional stormwater treatment systems? 
     
  • Maintenance on Structural BMPs (pdf 31 kb)
  • What levels and types of maintenance on structural BMPs are needed to ensure consistently effective water quality and flow control performance?  
     
  • Technical Innovations in Automobile Design (pdf 32 kb)
    Are there technical innovations in automobile design that can have measurable, long-term positive effects on highway stormwater quality?  
     
  • Treating phosphorus  (pdf 28 kb)
    Which highway runoff BMPs or modifications of existing BMPs are most suitable for treating phosphorus?  
     
  • Stormwater Storage  (pdf 26 kb)
  • Can stormwater storage fill areas, highway subgrades, and roadsides be used for stormwater storage without presenting significant risk to highways? 
     
  • Small Orifice Sizes   (pdf 26 kb)
    Can very small orifice sizes impede the modeled performance of wet detention ponds because of clogging by floating debris?
     
  • Temporal Water Storage  (pdf 34 kb)
    Which models or modeling techniques can be used or modified to simulate temporal water storage (to mitigate for flow alterations) on watershed scales? 
     
  • Oil and spill control methods  (pdf 27 kb)
    Which oil and spill control methods are most feasible for transportation considering limited maintenance resources?  
     
  • Sensitive Aquatic Organisms  (pdf 26 kb)
    What are the effects, if any, of trace amounts of "oil" or PAHs from highways and bridge piers on sensitive aquatic organisms in marine or fresh water environments?  
     
  • Concentrated vs. Dispersed  (pdf 28 kb)
    Evaluate the benefits and costs of concentrated vs. dispersed landscape-scale stormwater runoff treatments

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