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@USEPA

U.S. Environmental Protection Agency

Protecting Human Health and the Environment

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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

Pinned Loading

  1. WNTR WNTR Public

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

    Python 349 200

  2. CMAQ CMAQ Public

    Code for U.S. EPA’s Community Multiscale Air Quality Model (CMAQ) which helps in conducting air quality model simulations

    Fortran 308 217

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

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

    C 269 183

  4. elevatr elevatr Public

    An R package for accessing elevation data

    R 205 28

Repositories

Showing 10 of 570 repositories
  • hibernate_qsar_model_building Public

    This project manages the database underlying WebTest2.0 using Hibernate based Java code

    USEPA/hibernate_qsar_model_building’s past year of commit activity
    Java 0 2 0 0 Updated Apr 16, 2025
  • csb-rebate-forms-app Public

    Code related to the U.S. EPA Clean School Bus (CSB) data collection system. Specifically, this repository provides code for the cloud.gov hosted CSB Rebate Forms Application (i.e., Applicant Dashboard).

    USEPA/csb-rebate-forms-app’s past year of commit activity
    CSS 2 CC0-1.0 2 0 1 Updated Apr 16, 2025
  • USEEIO Public

    Estimating potential impacts of goods and services in the US economy (overview repository)

    USEPA/USEEIO’s past year of commit activity
    Python 30 31 6 (1 issue needs help) 1 Updated Apr 16, 2025
  • SuRGE Public
    USEPA/SuRGE’s past year of commit activity
    HTML 0 MIT 1 17 0 Updated Apr 16, 2025
  • USEPA/ccd-dashboard-current-public’s past year of commit activity
    Vue 0 0 0 0 Updated Apr 16, 2025
  • CompTox-ToxCast-tcpl Public

    US EPA's Toxicity Forecaster (ToxCast) Pipeline. More information on the ToxCast program available here: https://www.epa.gov/comptox-tools/toxicity-forecasting-toxcast

    USEPA/CompTox-ToxCast-tcpl’s past year of commit activity
    R 36 19 29 2 Updated Apr 16, 2025
  • toxvaldbstage Public

    R package for the processing and staging of data sources which will be loaded into the ToxVal database.

    USEPA/toxvaldbstage’s past year of commit activity
    R 1 MIT 2 0 4 Updated Apr 16, 2025
  • code-json-generator Public Forked from emartinez-usgs/code-json-generator

    Automation that scrapes USEPA github and provides that metadata for code.gov

    USEPA/code-json-generator’s past year of commit activity
    JavaScript 0 MIT 10 0 0 Updated Apr 16, 2025
  • flowsa Public

    Library that attributes resource use, waste, emissions, and loss to economic sectors

    USEPA/flowsa’s past year of commit activity
    Python 29 MIT 23 24 6 Updated Apr 15, 2025
  • aquametNWCA Public

    R package used to calculate vegetation metrics for National Wetlands Condition Assessment

    USEPA/aquametNWCA’s past year of commit activity
    R 0 3 0 0 Updated Apr 15, 2025