US EPA’s National Stormwater Calculator

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ASLA online learning opportunities are open to all. ASLA members may purchase this presentation at a reduced rate.
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Landscape architects are often responsible for the design of stormwater systems. The US EPA National Stormwater Calculator is a new planning and design tool to document estimated performance (stormwater runoff reductions) of green infrastructure stormwater best management practices (BMPs). The National Stormwater Calculator is a desktop application that estimates the annual amount of rainwater and frequency of runoff from a specific site anywhere in the United States (including Puerto Rico). Estimates are based on local soil conditions, land cover, historic rainfall records, future climate change scenarios, and BMP designs. It is designed to be used by anyone interested in reducing runoff from a property, including: site developers, landscape architects, urban planners, and homeowners. Landscape architects will learn how to use the National Stormwater Calculator for potential projects. Attendees will also learn about future updates to the calculator.
Distance Learning
Course Equivalency
Green Roofs
Sustainable Development & Design
Technology / CADD / GIS
Water / Stormwater Management
Health, Safety and Welfare
Learning Outcomes
1. Learn about urban stormwater management planning and design tools & models

2. Learn how to use US EPA’s National Stormwater Calculator, including potential applications for regulatory and voluntary projects.

3. Learn about green infrastructure (stormwater BMPs) climate resiliency planning and future updates to the National Stormwater Calculator
Jason Berner, LEED AP BD + C, Associate ASLA
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American Society of Landscape Architects

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