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Apps, Tools, and Software

This page provides a list of USACE and other federal agency vetted apps, tools, and software for use by project delivery teams and others, including planning data sets and mapping tools.

  • 2022 Sea Level Rise Technical Report
      Produced by an interagency effort, this technical report provides a synthesis of the most recent science related to sea level rise as an update to the previous 2017 report. The report will serve as a key technical input for the Fifth National Climate Assessment ("NCA5"). Data from the report are being incorporated into current and planned agency tools and services and are immediately available in NOAA's Sea Level Rise Viewer and NASA’s Task Force Projection Tool. The report does not provide guidance or design specifications for a specific project, but is intended to help inform federal agencies, tribes, state and local governments, and stakeholders in coastal communities about current and future sea level rise. The website includes a companion Application Guide for the 2022 Sea Level Rise Technical Report, which can help the reader understand relevant considerations and arrive at the best decision for their community, and a Frequently Asked Questions guide.

  • Feasibility Report Format and Content Guide
      This guide provides general recommendations for the format and content of USACE feasibility reports with an integrated Environmental Assessment (EA) or Environmental Impact Statement (EIS). The guide can be used as a starting point for nearly all feasibility reports and is appropriate for use by entry-level to senior planners. It may also be used as a reference for policy reviewers and technical specialists. The format described in the guide is not mandatory.

  • CEQ Climate and Economic Justice Screening Tool
      The purpose of the Climate and Economic Justice Screening Tool is to help Federal agencies identify disadvantaged communities that are marginalized, underserved, and overburdened by pollution through publicly-available, nationally-consistent datasets. The tool also provides socioeconomic, environmental, and climate information to inform decisions that may affect these communities.

  • Coastal Resilience Evaluation and Siting Tool (CREST)
      CREST is a tool developed by the National Fish and Wildlife Foundation that can be used to make informed decisions about the siting of restoration and resilience projects. The tool identifies Resilience Hubs, which are areas of open space where projects may have the greatest potential to benefit both human community resilience and fish and wildlife. Resilience Hubs incorporate multiple indices, which can also be explored through CREST.

  • Corps Water Management System (CWMS)
      The Corps Water Management System (CWMS) is the automated information system used by USACE to support its water control management mission. This mission encompasses the regulation of river flow through more than 700 reservoirs, locks and other water control structures throughout the nation. The system is also used to calculate annual damages prevented by USACE’s flood risk management portfolio.

  • CorpsMap Applications  Corps Castle
      USACE's CorpsMap suite of applications provides a single geospatial (GIS) interface national-level USACE and other federal datasets. Applications include CorpsMap, the Corps Project Notebook, the National Inventory of Dams, the National Levee Database, and the Life Safety Hazard Indicator.

  • Data.Gov
      Vast collections of data, tools, mapping, and applications collected from federal, state, and local government agencies. Includes collections on topics including climate, ecosystems, disasters, and more.

  • Ecosystem-Based Management (EBM) Tools Network
      The Ecosystem-Based Management Tools Network is a collection of methods and software that help practitioners incorporate scientific and socioeconomic information into decision making. EBM tools can help: develop models of ecosystems; generate scenarios illustrating the consequences of different management decisions on natural resources and the economy; and facilitate stakeholder involvement in planning processes.

  • EJScreen: Environmental Justice Screening and Mapping Tool
      EJScreen is an environmental justice mapping and screening tool that provides a nationally consistent dataset and approach for combining environmental and demographic indicators. EJScreen users choose a geographic area; the tool then provides demographic and environmental information for that area and also includes a method for combining environmental and demographic indicators into EJ indexes.

  • Electronic Inland Chart Books for Navigations
      This site provides links to Inland Electronic Navigation Charts (IENCs), which the U.S. Army Corps of Engineers has developed for much of the 8,200 miles of rivers in the U.S. Inland River System.

  • Engineering with Nature Tools
      This website contains a list of available ERDC/Engineering with Nature developed and maintained tools developed including tool type, user audience, points of contact, and relevant links.

  • e-Risk Register Tool  Corps Castle
      The e-Risk Register is an online tool designed by the USACE Institute for Water Resources to assess, manage, and view project risks in a consistent and integrated manner across Civil works project lifecycles. Training on use of the e-Risk Register website, including how to add new projects and how to find current and legacy APT projects, is available through the "Need Help?" link within the Tool.

  • FEMA's National Risk Index for Natural Hazards
      The National Risk Index is an interactive tool that shows which communities are most at risk to natural hazards. It includes data about the expected annual losses to individual natural hazards, social vulnerability and community resilience, available at county and Census tract levels.

  • FEMA's HAZUS Software
      FEMA's Hazus Program provides standardized tools and data for estimating risk from earthquakes, floods, tsunamis, and hurricanes. Hazus models combine expertise from many disciplines to create actionable risk information that increases community resilience.

  • HEC-GeoFDA: Geospatial Preprocessor for Flood Damage Reduction Analysis
      HEC-GeoFDA was developed to allow users to view geospatial flood risk management (FRM) study data and simplify tasks that are commonly performed to prepare data for use in the Flood Damage Reduction Analysis (HEC-FDA) program. The HEC-GeoFDA software has been built with the specific needs of FRM teams in mind and is intended to make geospatial pre-processing more intuitive and less error prone. This program does not require planning model approval or certification as it is only pre-processing and formatting existing input data for use in HEC-FDA.

  • Life Safety Risk Indicator 2 (LSRI2)
      The LSRI2 tool provides a screening-level, relative representation of the life risk (average annual life loss) that would be reduced if a given structural or non-structural flood damage reduction project was constructed. LSRI2 is intended to serve as a budget tool to prioritize studies and projects starting with the FY25 budget development process. LSRI2 builds off of and replaces the Life Safety Hazard Index (LSHI) tool by incorporating not just consequence information, but also likelihood of the consequences.

  • National Structure Inventory (NSI)
      The National Structure Inventory (NSI) provides a base national dataset of structure points and characteristics. Using the NSI, USACE engineers, economists, and others can generate improved estimates of flood risk through HEC-FIA, HEC-FDA, HEC-WAT, CWMS, and HEC-LifeSim. The NSI is a particularly helpful resource for teams in the early iterations of a Planning study. Though it is anticipated the NSI data will be updated at least annually, teams should note the data's limitations, including the need for population and price index adjustments before use.

  • National Structure Inventory (NSI) Documentation
      Explore the Technical References and User Guides for the National Structure Inventory (NSI) download tool and survey tool.

  • NOAA Digital Coast
      Coastal data, tools, training, and information designed to meet the needs of the coastal management community, all of which are vetted by NOAA.

  • NOAA Sea Level Rise Viewer
      Use this web mapping tool to visualize community-level impacts from coastal flooding or sea level rise (up to 6 feet above average high tides). Photo simulations of how future flooding might impact local landmarks are also provided, as well as data related to water depth, connectivity, flood frequency, socio-economic vulnerability, wetland loss and migration, and mapping confidence.

  • NOAA's now COAST
      NOAA's web mapping portal to real time coastal observations, forecasts, and warnings.

  • U.S. Climate Resilience Toolkit
      The U.S. Climate Resilience Toolkit has catalogued more than 500 digital tools can be used for a variety of uses to build resilience, from engaging a community to developing a climate action plan.

  • USACE Coastal Storm Damages Prevented  Corps Castle
      The Coastal Storm Damages Prevented tool allows USACE project managers, planners, coastal engineers, and economists the capability to develop regional and national assessments of damages reduced by USACE coastal projects. The tool has two parts: Annual CSDP Reporting and What-if Scenario Analysis.

  • USACE Geospatial Platform
      The USACE Geospatial Platform provides shared and trusted USACE geospatial data, services and applications for use by our partner agencies and the public. The Platform includes publicly available maps and web-mapping applications, including CorpsMap, the National Levee Database, National Inventory of Dams, and regional and project specific mapping apps.

  • USGS National Map Datasets and Tools
      National data sets and mapping tools including topography, hydrography, and 3-d elevation datasets.


  • Introduction to the New e-Risk Register (15 December)
    This webinar provided an overview of the new e-Risk Register, which will provide study teams and the vertical team a high- quality tool to better assess, manage, and view all risks for a particular project in a consistent and integrated manner across project lifecycles and the full enterprise. Presenter Erin Rooks (Economist, Institute for Water Resources) discussed the migration of the Assistance for Project Teams (APT) Tool into the new e-Risk Register and re-oriented planners to these existing tools within the new application, in addition to demonstrating the new tool. Finally, the webinar described how the e-Risk Register is different from the Planning Risk Register.
  • Life Safety Risk Indicator (20 October)
    This webinar provided an overview of the Life Safety Risk Indicator (LSRI). In an effort to develop a consistent way to recommend projects that warrant funding based on risk to life safety, USACE has developed the LSRI tool, which provides a screening-level, relative representation of the life risk (average annual life loss) that would be reduced if a given structural or non-structural flood damage reduction project was constructed. The LSRI is intended to serve as a budget tool to prioritize studies and projects starting with the FY25 budget development process. The LSRI builds off of and replaces the Life Safety Hazard Index (LSHI) tool by incorporating not just consequence information, but also likelihood of the consequences. Presenter Jason Needham (Consequence Specialist, Risk Management Center) described the LSRI methodology and introduced the web-based LSRI tool and how to use it.

  • EPA EJSCREEN Tool (31 October)
    The EPA has developed an environmental justice mapping and screening tool called EJSCREEN to help highlight places in an Environmental Assessment or Environmental Impact Statement that may warrant additional consideration, analysis, or outreach because of the potential for environmental justice concerns. This webinar introduced and demonstrated the core functionality the EJSCREEN tool, including how to: navigate EJSCREEN; screen for environmental justice; and analyze data. The web-based tool offers a variety of powerful data and mapping capabilities that enable users to access environmental and demographic information across the entire country with color-coded maps, standard data reports, and more.
  • IWR Planning Suite II (3 October)
    This webinar provided an overview of the capabilities and uses of the USACE-certified IWR Planning Suite II (IWRPS-II) software. The webinar was presented by Shawn Komlos and Laura Witherow (Institute for Water Resources), as well as and Cory Rogers (CDM Smith) and focused on the IWRPS-II Multi-Criteria Decision Analysis module and its potential uses during execution of USACE Planning Studies.

  • IWR Planning Suite II (26 July)
    Ms. Laura Witherow (Institute for Water Resources) and Ms. Monique Savage (St. Paul District) provided information on the IWR Planning Suite II, the latest certified version of the IWR Planning Suite Software used to conduct Cost-Effectiveness and Incremental Cost Analyses and Annualize Ecosystem Outputs for ecosystem restoration, impact analysis, and mitigation planning. The webinar highlighted the new capabilities of IWR Planning Suite II, including multi-criteria decision analysis (MCDA), uncertainty, and watershed wizard. Additional topics included how the software is used in planning, a brief review of each module within the software, and instructions on downloading the software.
  • Using 3-D Drawing Software in Civil Works Planning (5 April)
    Mr. Stephen Stello (MVN) shared his experience and successes using 3-D drawing software in Civil Works planning documents. Mr. Stello has been using Sketchup and other 3-D drawing software to create 3D models of USACE projects including flood risk and navigation projects, and provided information on how these 3-D software tools can be useful in the planning process.

  • Social Vulnerability: Overview and Analysis (3 November)
    Ms. Susan Durden and Dr. Seth Cohen, both with the Institute for Water Resources, provided a review of the "Other Social Effects" account and described socially vulnerable populations and factors that make them vulnerable during an flood or storm event. Dr. Cohen provided an overview of the IWR primer on social vulnerability entitled "Identification and Engagement of Socially Vulnerable Populations in the USACE Decision Making Process." Ms. Durden shared information on the Social Vulnerability Index Explorer (SOVI-X), a tool that performs social vulnerability analyses of populations at risk under with and without project conditions.

 Corps Castle Item is restricted to U.S. Army Corps of Engineers, CAC required. Document will open in a new window.