This webinar presented by Jason Berner of EPA’s Office of Research and Development (ORD), August 23, 2017, highlighted EPA’s National Stormwater Calculator developed to help support local, state and national stormwater management objectives and regulatory efforts to reduce runoff through infiltration and retention using green infrastructure (infrastructure based on natural processes) practices as low impact development (LID) controls.  

• Stormwater Calculator slides (PDF)(37 pp, 3 MB)