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NEW RULES WILL IMPROVE QUALITY OF STORM WATER DISCHARGE
(Wednesday, May 15, 2013) — The Department of Planning and Permitting will implement revised storm water drainage standards for certain building developments effective June 1 that will improve and protect the island’s streams and ocean resources.
The revised rules reflect the latest changes to Federal and State requirements to control the discharge of storm water pollutants into the ocean. The new criteria was mandated when the City was reissued its National Pollution Discharge Elimination System (NPDES) permit in May 2011 and is intended to reduce the pollution associated with storm water runoff from new development and redevelopment.
The rules affect two categories of developments:
· Priority A Projects, which disturb at least 1 acre and are not required to obtain a separate industrial NPDES storm water permit from the Department of Health.
· Priority B Projects, which are smaller projects with at least 10,000 square feet of impervious surface area and have the potential to discharge pollutants into the City’s drainage system. These projects include retail gas stations, automotive repair shops, restaurants, and parking lots.
Projects that fall in these categories will be required to incorporate “Low Impact Development” (LID) methods to treat runoff. LID is a storm water management plan that seeks to maintain or restore the natural hydrologic character of a site, reduce off-site runoff, improve water quality, provide groundwater recharge, and mitigate the impact of increased runoff and storm water pollution.
Building permit applications in the Priority B category and construction plans in the Priority A category submitted beginning June 1 will fall under these new standards.
Information about the new rules is available at http://bit.ly/15VyGsi. For additional information, call (808) 768-8106.
Media contact: Art Challacombe, Department of Planning and Permitting, 768-8000.