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BMP Retrofit Program
The NPDES Retrofit Program designs and constructs BMPs retrofitted into existing NCDOT roadways and facilities.  The program implements a minimum of 70 retrofits over the course of the five year NPDES permit term.  Retrofit projects are coordinated with Division Staff and sites are selected with the goal of maximizing environmental benefit and if needed, improving the maintenance condition of the stormwater conveyance system.  The Retrofit Program also serves as the proving grounds under which new BMPs or design criteria are tested prior to inclusion in the BMP Toolbox.

 

 
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