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    550 repositories

    • 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 Apr 13, 2025Apr 13, 2025

    • ATtILA2

      Public
      Esri ArcGIS toolbox that allows users to easily calculate many common landscape metrics
      oms
      Python
      •4•10•0•0•Updated Apr 12, 2025Apr 12, 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 Apr 12, 2025Apr 12, 2025

    • flowsa

      Public
      Library that attributes resource use, waste, emissions, and loss to economic sectors
      ord
      Python
      •
      MIT License
      •23•29•24•5•Updated Apr 12, 2025Apr 12, 2025

    • treecompareR

      Public
      R
      •
      GNU General Public License v3.0
      •3•1•0•0•Updated Apr 11, 2025Apr 11, 2025

    • CompTox-thyroid-httk

      Public
      This repository accompanies the manuscript by Truong et al., "Interpretation of thyroid-relevant bioactivity data for comparison to in vivo exposures: A prioritization approach for putative chemical inhibitors of in vitro deiodinase activity"
      HTML
      •1•0•0•0•Updated Apr 11, 2025Apr 11, 2025

    • govchat

      Public
      Customized GenAI chatbot interface for EPA employees
      nextjsomsgenaigenai-chatbot
      TypeScript
      •
      MIT License
      •8.7k•1•0•0•Updated Apr 11, 2025Apr 11, 2025

    • MCSimMod

      Public
      MCSim Models in R
      rodeode-modelpbpkpbpk-modeling
      C
      •0•3•1•1•Updated Apr 11, 2025Apr 11, 2025

    • SSN2

      Public
      SSN2: Spatial Modeling on Stream Networks in R
      R
      •
      GNU General Public License v3.0
      •6•19•2•1•Updated Apr 11, 2025Apr 11, 2025

    • MountainLakes

      Public
      R package companion to the article "Ecological condition of mountain lakes in the conterminous United States and vulnerability to human development"
      R
      •
      GNU General Public License v3.0
      •0•0•0•0•Updated Apr 11, 2025Apr 11, 2025

    • AVERT

      Public
      Tool which evaluates how energy policies and programs such as energy efficiency and renewable energy lead to changes in emissions from electric power plants
      oar
      TypeScript
      •
      Creative Commons Zero v1.0 Universal
      •4•8•0•3•Updated Apr 11, 2025Apr 11, 2025

    • SuRGE

      Public
      ord
      HTML
      •
      MIT License
      •1•0•17•0•Updated Apr 11, 2025Apr 11, 2025

    • part75-facility-audit-application

      Public
      R
      •
      MIT License
      •0•0•0•0•Updated Apr 11, 2025Apr 11, 2025

    • r4ds_acesd

      Public
      R
      •0•0•0•0•Updated Apr 11, 2025Apr 11, 2025

    • pyaqsapi

      Public
      A python 3 package to retrieve ambient air monitoring data from the United States Environmental Protection Agency’s (US EPA) Air Quality System (AQS) Data Mart API v2 interface
      environmental-monitoringpython-packagedatamartaqsusepar03environmental-data-retrievalairmonitoring
      Python
      •
      MIT License
      •8•17•1•0•Updated Apr 11, 2025Apr 11, 2025

    • IntraCMS

      Public
      US EPA Intranet CMS
      phpdrupaloms
      CSS
      •
      MIT License
      •3•6•0•0•Updated Apr 11, 2025Apr 11, 2025

    • hibernate_qsar_model_building

      Public
      This project manages the database underlying WebTest2.0 using Hibernate based Java code
      Java
      •2•0•0•0•Updated Apr 11, 2025Apr 11, 2025

    • ShinyVB

      Public
      Shiny version of Virtual Beach
      R
      •
      Apache License 2.0
      •0•0•0•0•Updated Apr 11, 2025Apr 11, 2025

    • the-manifest-game

      Public
      Interactive decision tree to help e-Manifest users
      olem
      TypeScript
      •
      MIT License
      •3•1•0•0•Updated Apr 11, 2025Apr 11, 2025

    • ORD_SAB_Model

      Public
      Repository for the ORD developed model for water system service area boundaries.
      HTML
      •
      MIT License
      •4•19•0•0•Updated Apr 11, 2025Apr 11, 2025

    • USEEIO

      Public
      Estimating potential impacts of goods and services in the US economy (overview repository)
      ord
      Python
      •31•30•7•1•Updated Apr 11, 2025Apr 11, 2025

    • Exposure_Read-Across

      Public
      A web app that summarizes information from various EPA models and U.S. government data sources. Data are summarized visually with links to more details about the data and model predictions. Chemical-structure-based analogs are also provided, so that structurally similar chemicals may be used in determining risk for data-poor chemicals.
      exposure-science
      Python
      •
      Apache License 2.0
      •0•2•0•0•Updated Apr 11, 2025Apr 11, 2025

    • EnviroAtlas_v4

      Public
      EnvrioAtlas migration to JS4.
      Jupyter Notebook
      •
      MIT License
      •0•0•0•1•Updated Apr 11, 2025Apr 11, 2025

    • surge_morpho

      Public
      Repository for working with lake morphometry and bathy datasets
      Rich Text Format
      •4•0•0•0•Updated Apr 11, 2025Apr 11, 2025

    • Air-Sensor-Network-Analysis-Tool-Public-

      Public
      A tool to understand air sensor performance compared to nearby air monitors and to understand local air quality.
      R
      •
      MIT License
      •2•2•0•0•Updated Apr 11, 2025Apr 11, 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
      ordcctecomptox
      R
      •
      Other
      •19•36•30•3•Updated Apr 11, 2025Apr 11, 2025

    • USEEIO-State

      Public
      Code to support build and use of USEEIO State models
      R
      •4•4•0•0•Updated Apr 11, 2025Apr 11, 2025

    • haztrak

      Public
      An open-source web app that illustrates how waste management software can interface with RCRAInfo to track hazardous waste electronically
      hacktoberfestolemorcr
      Python
      •
      MIT License
      •23•53•0•1•Updated Apr 11, 2025Apr 11, 2025

    • useeior

      Public
      Estimating potential environmental impacts of goods and services in the US economy
      ord
      R
      •
      MIT License
      •28•34•13•0•Updated Apr 11, 2025Apr 11, 2025

    • Air-Sensor-Data-Unifier

      Public
      R-shiny application to import, uniformly format, and quality control air sensor data.
      R
      •
      MIT License
      •0•0•0•0•Updated Apr 11, 2025Apr 11, 2025