EPA Stormwater Management Model
The Stormwater Management Model (SWMM) is part of EPA’s suite of water research tools. SWMM is a hydrology-hydraulic water quality simulation model used to simulate stormwater runoff quantity and quality in urban areas. SWMM is highly technical and is best suited for those with working knowledge of the industry.
This tool allows users to quickly compare the performance, costs, and benefits of green infrastructure to conventional stormwater practices. The calculator is comprehensive and requires multiple data sets.
This webpage lists contact information for Urban Forestry Coordinators in every state.
This website contains a full set of maps, mapping tools and policy guidance organized by topic/ objective, specific to Northeast Illinois.
The Wasatch Choice for 2040 includes toolkits for planners, regional data sets, community development and housing guidelines, form-based codes, and scenario planning framework for small communities.