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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 usabjos.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 331 191

  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 293 207

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

    Dynamic hydrology-hydraulic water quality simulation model

    C 249 179

  4. elevatr elevatr Public

    An R package for accessing elevation data

    R 206 27

Repositories

Showing 10 of 503 repositories
  • 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 Jan 30, 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 Jan 29, 2025
  • ATtILA2 Public

    Esri ArcGIS toolbox that allows users to easily calculate many common landscape metrics

    USEPA/ATtILA2’s past year of commit activity
    Python 9 3 0 0 Updated Jan 29, 2025
  • 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 42 CC0-1.0 19 73 (7 issues need help) 4 Updated Jan 29, 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 33 17 46 4 Updated Jan 29, 2025
  • Waste_Staging_Tool Public

    Identifies and ranks potential locations for staging and storing waste

    USEPA/Waste_Staging_Tool’s past year of commit activity
    Python 2 CC0-1.0 2 0 0 Updated Jan 29, 2025
  • IntraCMS Public

    US EPA Intranet CMS

    USEPA/IntraCMS’s past year of commit activity
    CSS 6 MIT 2 0 0 Updated Jan 29, 2025
  • stateior Public

    Prepares US state two-region Make and Use tables

    USEPA/stateior’s past year of commit activity
    R 9 MIT 12 5 2 Updated Jan 29, 2025
  • webcms Public

    Content management system for EPA's intranet

    USEPA/webcms’s past year of commit activity
    JavaScript 10 7 0 21 Updated Jan 29, 2025
  • GEPA Public

    This repository contains the code for the EPA U.S. gridded methane greenhouse gas inventory (gridded GHGI)

    USEPA/GEPA’s past year of commit activity
    Python 3 MIT 2 18 5 Updated Jan 29, 2025