It estimates the amount of stormwater runoff generated from a site under different development and control scenarios over a long term period of historical rainfall. This allows a full range of meteorological conditions to be analyzed, rather than just a single design storm event. It estimates the amount of stormwater runoff generated from a site under different development and control scenarios over a long-term period of historical rainfall. The analysis takes into account local soil conditions, slope, land cover and meteorology. If you have problems installing the calculator contact your system administrator or try the alternative method described below. The user supplies information about the siteâs land cover and selects the types of low impact development (LID) controls they would like to use. from a specific site anywhere in the United States (including Puerto Rico). The calculator seamlessly accesses several national databases to provide local soil and meteorological data for a site. The National Green Values™ Calculator is a tool for quickly comparing the performance, costs, and benefits of Green Infrastructure, or Low Impact Development (LID), to conventional stormwater practices. A climate change component is included … endstream endobj startxref EPA's National Stormwater Calculator (Video) (1:21 min, EPA YouTube), EPA National Stormwater Calculator Team It also analyses reviews to verify trustworthiness. The National Stormwater Calculator, an easy-to-use, online tool will help communities effectively tap innovative green infrastructure techniques to reduce nutrient pollution and the risk of local flooding, while also planning for the increase of stormwater runoff that is expected due to climate change. This update to the SWC will allow users to consider how runoff may vary based on historical weather and potential future climate. To better inform decisions, it is recommended that the user develop a range of SWC results with various assumptions about model inputs such as percent of impervious surface, soil type, sizing of green infrastructure, as well as historical weather and future climate change scenarios. The GVC is designed to take you step-by-step through a process of determining the average precipitation at your site, choosing a stormwater runoff volume reduction goal, defining the impervious areas of … The LID controls that the user can choose are the following seven green infrastructure practices: Green infrastructure promotes the natural movement of water, instead of allowing it to wash into streets and down storm drains. (Revised 2014) National Stormwater Calculator - A desktop tool that helps users control runoff to promote the natural movement of water (PDF) (1 pp, 3.96 KB) Publication No. Technical Fact Sheet: U.S. EPA. The National Green Values™ Calculator is a tool for quickly comparing the performance, costs, and benefits of Green Infrastructure, or Low Impact Development (LID), to conventional stormwater practices. Drag the shortcut onto your desktop and use it to launch the calculator. %PDF-1.6 %���� The SWC is designed for use by anyone interested in reducing runoff from a property, including site developers, landscape architects, urban planners, and homeowners. The National Stormwater Calculator is a simple to use tool for computing small site hydrology for any location within the US. The tool is designed to be used by anyone interested in reducing runoff from a property, including site developers, landscape architects, urban planners, and homeowners. The Calculator accesses several national databases that provide soil, topography, rainfall, and evaporation information for the chosen site. The user supplies land cover information that reflects the state of development they wish to analyze and selects a mix of LID controls to be applied. In 2013 EPA released an updated verision of this calculator. You're listening to a sample of the Audible audio edition. EPA’s National Stormwater Calculator is a downloadable application (requires a computer running Microsoft© Windows operating system) for estimating the annual amount of rainwater and frequency of runoff from a specific site anywhere in the United States (including Puerto Rico). Conditions apply. Basic Fact Sheet: The Stormwater Calculator - Identifying Green Infrastructure Solutions. 600/R-13/085c. EPA’s National Stormwater Calculator is a downloadable application (requires a computer running Microsoft© Windows operating system) for estimating the annual amount of rainwater and frequency of runoff from a specific site anywhere in the United States (including Puerto Rico). The GVC is meant for a single site, or a campus of buildings contained on a single site. Estimates are based on local soil conditions, land cover, and historic rainfall records. Estimates are based on local soil conditions, land cover, and historic rainfall records. EPA’s National Stormwater Calculator (SWC) 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). E-mail after purchase.
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