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    618 repositories

    • haztrak

      Public
      Open-source waste management software, focused on interfacing with e-Manifest to track hazardous waste electronically
      olem
      Python
      •
      MIT License
      •23•55•0•0•Updated Jul 12, 2025Jul 12, 2025

    • provisional_habs

      Public
      Repository holding data from Harmful Algal Bloom (HAB) monitoring conducted by United States Environmental Protection Agency, Office of Research and Development, Center for Environmental Measurement and Modelling, Atlantic Coastal Environmental Sciences Division researchers
      Creative Commons Zero v1.0 Universal
      •2•2•0•0•Updated Jul 12, 2025Jul 12, 2025

    • code-json-generator

      Public
      Automation that scrapes USEPA github and provides that metadata for code.gov
      oms
      JavaScript
      •
      MIT License
      •10•0•0•0•Updated Jul 12, 2025Jul 12, 2025

    • govchat

      Public
      Customized GenAI chatbot interface for EPA employees
      nextjsomsgenaigenai-chatbot
      TypeScript
      •
      MIT License
      •9.1k•2•0•0•Updated Jul 11, 2025Jul 11, 2025

    • SuRGE

      Public
      Code to reproduce the data files described in "Summertime methane and carbon dioxide emission rates and associated variables from a national-scale survey of 146 reservoirs in the United States" to be submitted to Limnology and Oceanography Letters in July 2025. The project was led by the US EPA's Office of Research and Development.
      ord
      HTML
      •
      MIT License
      •1•0•9•0•Updated Jul 11, 2025Jul 11, 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.
      ow
      R
      •
      Creative Commons Zero v1.0 Universal
      •23•53•64•0•Updated Jul 11, 2025Jul 11, 2025

    • toxvaldb_dcap_prep

      Public
      This package extracts data from the ToxValDB database and calculates study-level and chemical-level BMD.
      R
      •2•0•0•0•Updated Jul 11, 2025Jul 11, 2025

    • toxvaldbstage

      Public
      R package for the processing and staging of data sources which will be loaded into the ToxVal database.
      R
      •
      MIT License
      •2•1•0•6•Updated Jul 11, 2025Jul 11, 2025

    • toxvaldbmain

      Public
      R package of scripts used to transform data in toxval_source (processed from ToxVal_Stage package) into normalized ToxValDB format.
      R
      •
      MIT License
      •2•5•0•7•Updated Jul 11, 2025Jul 11, 2025

    • compeco

      Public
      R package for ACESD computational ecology stuff
      R
      •2•0•1•0•Updated Jul 11, 2025Jul 11, 2025

    • CMAQ

      Public
      Code for U.S. EPA’s Community Multiscale Air Quality Model (CMAQ) for estimating ozone, particulates, toxices, and deposition of acids and nutrients at neighborhood to global scales.
      ord
      Fortran
      •
      MIT License
      •222•318•2•2•Updated Jul 11, 2025Jul 11, 2025

    • campdRShinyDataSource

      Public
      R
      •
      MIT License
      •2•3•0•0•Updated Jul 11, 2025Jul 11, 2025

    • GL_Data

      Public
      Repository for Great Lakes water quality data corresponding to GLharmonizeR R package
      HTML
      •0•1•0•0•Updated Jul 10, 2025Jul 10, 2025

    • WMLCI

      Public
      Waste Management Life Cycle Inventory Model Assembler and Calculator
      Python
      •
      MIT License
      •1•2•0•0•Updated Jul 10, 2025Jul 10, 2025

    • shinyPiSCES

      Public
      R Shiny version of the PiSCES web app
      R
      •
      Apache License 2.0
      •1•0•0•0•Updated Jul 10, 2025Jul 10, 2025

    • TADAShiny

      Public
      TADAShiny is a 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.
      ow
      R
      •
      Creative Commons Zero v1.0 Universal
      •8•15•37•1•Updated Jul 10, 2025Jul 10, 2025

    • egrid

      Public
      Emissions & Generation Resource Integrated Database (eGRID)
      oaregrid
      R
      •
      MIT License
      •8•17•9•0•Updated Jul 10, 2025Jul 10, 2025

    • GEPA

      Public
      This repository contains the code for the EPA U.S. gridded methane greenhouse gas inventory (gridded GHGI)
      Python
      •
      MIT License
      •7•8•0•0•Updated Jul 10, 2025Jul 10, 2025

    • IntraCMS

      Public
      US EPA Intranet CMS
      phpdrupaloms
      CSS
      •
      MIT License
      •3•6•0•0•Updated Jul 10, 2025Jul 10, 2025

    • EnviroAtlas_v4

      Public
      EnvrioAtlas migration to JS4. Easy to use, interactive mapping application to access hundreds of maps showing environmental data
      ord
      Jupyter Notebook
      •
      MIT License
      •0•1•0•0•Updated Jul 10, 2025Jul 10, 2025

    • CompTox-IUCLIDTools

      Public
      Python
      •4•2•4•3•Updated Jul 10, 2025Jul 10, 2025

    • CompTox-ExpoCast-HTTKQSPRs

      Public
      R
      •
      GNU General Public License v3.0
      •0•0•0•0•Updated Jul 10, 2025Jul 10, 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
      ow
      PLpgSQL
      •
      Creative Commons Zero v1.0 Universal
      •2•4•0•0•Updated Jul 10, 2025Jul 10, 2025

    • lfg-calc-py

      Public
      A landfill gas generation and emissions calculator in Python
      Python
      •
      MIT License
      •0•0•0•0•Updated Jul 10, 2025Jul 10, 2025

    • spmodel

      Public
      spmodel: Spatial Statistical Modeling and Prediction in R
      R
      •
      GNU General Public License v3.0
      •4•17•0•0•Updated Jul 10, 2025Jul 10, 2025

    • SSN2

      Public
      SSN2: Spatial Modeling on Stream Networks in R
      R
      •
      GNU General Public License v3.0
      •7•22•3•1•Updated Jul 9, 2025Jul 9, 2025

    • ContDataSumViz

      Public
      This is a R Shiny app developed for visualizing continuous dataset for regional monitoring networks
      HTML
      •
      MIT License
      •3•2•0•0•Updated Jul 9, 2025Jul 9, 2025

    • webcms

      Public
      Content management system for EPA's flagship website, www.epa.gov
      awsterraformomsdrupal-10
      JavaScript
      •9•11•0•18•Updated Jul 9, 2025Jul 9, 2025

    • missing.data.in.ecology

      Public
      Repository for "Missing data in ecology: Some synthesis, clarifications, and recommendations"
      R
      •
      GNU General Public License v3.0
      •2•0•0•0•Updated Jul 9, 2025Jul 9, 2025

    • FrEDI

      Public
      FrEDI estimates annual physical and economic impacts from temperature to the U.S., through the 21st century
      oar
      HTML
      •
      Other
      •15•14•2•0•Updated Jul 9, 2025Jul 9, 2025
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