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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 Public

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

    Python 346 197

  2. CMAQ Public

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

    Fortran 304 216

  3. Stormwater-Management-Model Public

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

    C 265 181

  4. elevatr Public

    An R package for accessing elevation data

    R 205 28

Repositories

Showing 10 of 529 repositories
  • treecompareR Public
    R 1 GPL-3.0 3 0 0 Updated Mar 30, 2025
  • CIP-service Public

    Updated version of Catchment Index Processing (CIP) Service to provide an API where outside users can index their own GIS data to NHDPlus hydrography

    PLpgSQL 4 CC0-1.0 2 0 0 Updated Mar 30, 2025
  • code-json-generator Public Forked from emartinez-usgs/code-json-generator

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

    JavaScript 0 MIT 10 0 0 Updated Mar 30, 2025
  • LitCiter Public

    An MS Office plugin for EPA to provide stable citation links for scientific research

    JavaScript 1 2 0 1 Updated Mar 29, 2025
  • flowsa Public

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

    Python 27 MIT 23 24 5 Updated Mar 29, 2025
  • haztrak Public

    An open-source web app that illustrates how waste management software can interface with RCRAInfo to track hazardous waste electronically

    Python 49 MIT 22 0 0 Updated Mar 29, 2025
  • stateior Public

    Prepares US state two-region Make and Use tables

    R 9 MIT 14 7 1 Updated Mar 28, 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.

    R 48 CC0-1.0 21 72 (8 issues need help) 1 Updated Mar 28, 2025
  • GEPA Public

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

    Python 6 MIT 6 1 5 Updated Mar 28, 2025
  • IntraCMS Public

    US EPA Intranet CMS

    CSS 6 MIT 3 0 2 Updated Mar 28, 2025
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