gsi impact calculator

The GSI Impact Calculator is designed to support stormwater practitioners, urban planners, policymakers, and community advocates in evaluating the benefits and costs of GSI.

The GSI Impact Calculator was developed to address the growing need for credible information about sustainable, cost-effective stormwater management solutions in urban areas.

The Calculator provides a comprehensive analysis of potential GSI projects, allowing users to input specific data and customize scenarios to reflect local conditions. By highlighting the multifaceted advantages of GSI, including flood risk reduction, heat mitigation, water quality improvement, and job creation, the GSI Impact Calculator empowers stakeholders to make informed, strategic decisions during the early planning stages of stormwater and other infrastructure projects. 

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"The GSI Impact Calculator empowers decision-makers to assess the benefits and costs of GSI early in the project planning process, helping to ensure economically viable solutions from the outset."
Janet Clements
One Water Econ

Who can use the GSI Impact Calculator?

The calculator is simple to use. Inputs are typically the kinds of information readily available to project planners and engineers, or to well-informed partners and stakeholders. The Calculator automatically provides some important information, drawn from current data sources, and makes background calculations to provide users with customizable outputs. These outputs can be downloaded for later printing and distribution. Below are examples of user types who may find value in the calculator.

Features

Benefit-Cost Analysis

The calculator evaluates the direct and indirect benefits of GSI, including economic feasibility, by comparing installation and maintenance costs for 44 categories of benefits.

Customizable Inputs

Users can tailor the tool to their project's specific location, size, and design, ensuring accurate results based on geographic context and local climate conditions.

Interactive Visualization

The tool features interactive tables and charts to visually represent the co-benefits impacts of GSI projects, enhancing communication with stakeholders.

FAQs

FAQs related to the GSI Impact Calculator will be added soon.