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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 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

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  1. WNTR WNTR Public

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

    Python 341 194

  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 300 214

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

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

    C 257 181

  4. elevatr elevatr Public

    An R package for accessing elevation data

    R 206 28

Repositories

Showing 10 of 515 repositories
  • 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 6 MIT 6 18 10 Updated Mar 15, 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 Mar 15, 2025
  • TADAShiny Public

    TADAShiny is a DRAFT R Shiny application (link to web version below) built on top of the TADA R Package (https://github.com/USEPA/TADA). It provides a user friendly, web accessible interface.

    USEPA/TADAShiny’s past year of commit activity
    R 13 CC0-1.0 6 29 0 Updated Mar 15, 2025
  • IntraCMS Public

    US EPA Intranet CMS

    USEPA/IntraCMS’s past year of commit activity
    CSS 6 MIT 3 0 0 Updated Mar 14, 2025
  • ElectricityLCI Public
    USEPA/ElectricityLCI’s past year of commit activity
    Python 28 CC0-1.0 15 104 (4 issues need help) 1 Updated Mar 14, 2025
  • NEP-Ocean-Acidification Public Forked from amandovi/NEP-OA-WQ

    Code used for filtering, QAing, and visualizing monitoring data from NEP sites for ocean acidification and water quality analysis

    USEPA/NEP-Ocean-Acidification’s past year of commit activity
    R 1 3 0 0 Updated Mar 14, 2025
  • msft-chatbot-ui Public Forked from Patrick-Davis-MSFT/chatbot-ui

    Customized GenAI chatbot interface for EPA employees

    USEPA/msft-chatbot-ui’s past year of commit activity
    TypeScript 1 MIT 8,652 3 0 Updated Mar 14, 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 Mar 14, 2025
  • toxvaldbBMDh Public

    This package extracts data from the ToxValDB database and calculates study-level and chemical-level BMD.

    USEPA/toxvaldbBMDh’s past year of commit activity
    R 0 2 0 0 Updated Mar 14, 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 46 CC0-1.0 21 71 (8 issues need help) 0 Updated Mar 14, 2025
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