City Water Quality Rules Workshop

The City and County of Honolulu’s updated Storm Water Quality Rules take effect in August 2017 and have implications for project planning and implementation.  Discussion topics include the following:

  • New DPP rules with respect to construction
  • New DPP rules with respect to post-construction (Low Impact Development)
  • A National Perspective of Low Impact Development
  • Example projects or case studies (i.e. Punahou School – Utilizing Stormwater in Outdoor Learning Environments)
  • Lessons learned or design considerations (i.e. DOH – Clean Water Branch Perspectives)

The workshops were conducted over 3 days for specific target audiences.  The June 26 morning workshop was for contractors and developers; the afternoon session was for City agencies.  The June 27 all-day workshop was for design professionals and was repeated on June 28.  An point emphasized during the workshops is that storm water can be a valuable resource.

For additional information about the new rules, please visit or call the City Environmental Concern Line at 808.768.3300.

Vendors with display tables:

  • Hawaiian Earth Products – Amended Soil
  • Futura Stone of Hawaii – Permeable Interlocking Concrete Pavers
  • Hui Kū Maoli Ola – Native Plants
  • Cement and Concrete Products Industry of Hawaii – Pervious Concrete
  • Hawaii Asphalt Paving Industry – Porous Asphalt
  • Geotech Solutions, Inc. – Structural BMPs, Permeable Pavers
  • Evergreen by Debra, LLC – Hydroflo Pavers
  • Hawaii Water and Drainage, LLC – Inlet Filters, Structural BMPs
  • RW Supply, Inc. – Structural BMPs
  • Exacta Sales, Inc – Grass Pave, Gravel Pave
    Click here to see HAPI’s porous asphalt exhibit in action and click here to see the 5-minute loop video; both ran continuously during the workshops.

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