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@USEPA

U.S. Environmental Protection Agency

Protecting Human Health and the Environment
README.md

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The US Environmental Protection Agency's mission is to protect human health and the environment. We develop models, tool, data sets, libraries, and applications to help serve our mission.

As part of the government's open source initiative, we publish software here and are open to recieving contributions depending on the project. Please see each repository's CONTRIBUTING.md file for how you can help.

Check out EPA's public open job postings usajobs.gov.

Here are some interesting topics to explore:

  • ord -- EPA's office of research and development develops models and tools to study environmental issues
  • ow -- EPA's office of water studies and regulates the US's waterways
  • oar -- EPA's Office of Air and Radiation studies and regulates air pollution and emissions

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  1. WNTR WNTR Public

    An EPANET compatible python package to simulate and analyze water distribution networks under disaster scenarios.

    Python 355 201

  2. CMAQ CMAQ Public

    Code for U.S. EPA’s Community Multiscale Air Quality Model (CMAQ) for estimating ozone, particulates, toxices, and deposition of acids and nutrients at neighborhood to global scales.

    Fortran 311 221

  3. Stormwater-Management-Model Stormwater-Management-Model Public

    Dynamic hydrology-hydraulic water quality simulation model for stormwater, wastewater, and combined sewer collection systems

    C 277 186

Repositories

Showing 10 of 603 repositories
  • EPATADA Public

    This R package can be used to compile and evaluate Water Quality Portal (WQP) data for samples collected from surface water monitoring sites on streams and lakes. It can be used to create applications that support water quality programs and help states, tribes, and other stakeholders efficiently analyze the data.

    USEPA/EPATADA’s past year of commit activity
    R 52 CC0-1.0 23 76 (8 issues need help) 2 Updated May 21, 2025
  • AVERT Public

    Tool which evaluates how energy policies and programs such as energy efficiency and renewable energy lead to changes in emissions from electric power plants

    USEPA/AVERT’s past year of commit activity
    TypeScript 9 CC0-1.0 4 0 3 Updated May 20, 2025
  • GL_Data Public

    Repository for Great Lakes water quality data corresponding to GLharmonizeR R package

    USEPA/GL_Data’s past year of commit activity
    HTML 1 0 0 0 Updated May 20, 2025
  • layer-nuxt-epa-header Public

    a nuxt layer that can be used for any nuxt 3 or 4 application

    USEPA/layer-nuxt-epa-header’s past year of commit activity
    Vue 0 0 0 0 Updated May 20, 2025
  • FrEDI Public

    FrEDI estimates annual physical and economic impacts from temperature to the U.S., through the 21st century

    USEPA/FrEDI’s past year of commit activity
    HTML 14 14 16 1 Updated May 20, 2025
  • Water_Treatment_Models Public

    Predicting water treatment unit operation effectiveness

    USEPA/Water_Treatment_Models’s past year of commit activity
    Jupyter Notebook 27 MIT 31 1 0 Updated May 20, 2025
  • ELG-Search-Tools Public

    ELG Search Tools

    USEPA/ELG-Search-Tools’s past year of commit activity
    HTML 0 CC0-1.0 0 0 0 Updated May 20, 2025
  • IWTT Public

    Industrial Wastewater Treatment Technology (IWTT) Database

    USEPA/IWTT’s past year of commit activity
    CSS 0 CC0-1.0 0 0 0 Updated May 20, 2025
  • FrEDI_Data Public

    Data repo for FrEDI, a tool to estimate economic impacts from temperature

    USEPA/FrEDI_Data’s past year of commit activity
    HTML 1 MIT 2 4 0 Updated May 20, 2025
  • webcms Public

    Content management system for EPA's flagship website, www.epa.gov

    USEPA/webcms’s past year of commit activity
    JavaScript 10 9 0 19 Updated May 20, 2025
View all repositories

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