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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

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  1. WNTR WNTR Public

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

    Python 327 190

  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 290 207

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

    Dynamic hydrology-hydraulic water quality simulation model

    C 247 177

  4. elevatr elevatr Public

    An R package for accessing elevation data

    R 206 27

Repositories

Showing 10 of 500 repositories
  • useeior Public

    Estimating potential environmental impacts of goods and services in the US economy

    USEPA/useeior’s past year of commit activity
    R 33 MIT 23 10 1 Updated Jan 16, 2025
  • egrid Public

    Emissions & Generation Resource Integrated Database (eGRID)

    USEPA/egrid’s past year of commit activity
    R 5 MIT 0 0 1 Updated Jan 16, 2025
  • IntraCMS Public

    US EPA Intranet CMS

    USEPA/IntraCMS’s past year of commit activity
    CSS 6 MIT 2 0 0 Updated Jan 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 Jan 16, 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 40 CC0-1.0 19 73 (7 issues need help) 3 Updated Jan 16, 2025
  • data_gathering Public

    Repository for scraping GHS and experimental toxicity/physicochemical property data and storing it in a common format

    USEPA/data_gathering’s past year of commit activity
    Java 0 2 0 0 Updated Jan 16, 2025
  • expert-query Public

    Expert Query provides the public, EPA, state, and tribal users the ability to download detailed ATTAINS data.

    USEPA/expert-query’s past year of commit activity
    TypeScript 1 CC0-1.0 3 0 0 Updated Jan 16, 2025
  • OW_Survey_Design_Tool Public

    This R Shiny app presents an easy-to-use user interface for the calculation of spatially balanced survey designs of point, linear, or areal resources (i.e. lakes, streams, wetlands and coastal resources) using the Generalized Random-Tessellation Stratified (GRTS) algorithm.

    USEPA/OW_Survey_Design_Tool’s past year of commit activity
    R 6 MIT 2 0 0 Updated Jan 16, 2025
  • vdeq-stream-condition-predictions Public

    The vdeq-stream-condition-prediction repository is for making spatial stream network predictions of stream condition in the James River watershed in Virginia. The data come from Probabilistic Monitoring by Virginia Department of Environmental Quality that is used in a spatial stream network (SSN) analysis.

    USEPA/vdeq-stream-condition-predictions’s past year of commit activity
    0 MIT 1 5 0 Updated Jan 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 Jan 16, 2025