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    496 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 Feb 22, 2025Feb 22, 2025

    • StreamCatTools

      Public
      R package to work with the StreamCat API within R and access the full suite of StreamCat catchment and watershed scale metrics for all NHDPlusV2 stream reaches and catchments.
      streamcat
      R
      •
      Creative Commons Zero v1.0 Universal
      •9•31•19•0•Updated Feb 22, 2025Feb 22, 2025

    • zotero-connectors

      Public
      Chrome, Firefox, Edge, and Safari extensions for Zotero
      JavaScript
      •
      Other
      •128•0•0•0•Updated Feb 21, 2025Feb 21, 2025

    • EJAM-open

      Public
      Package for summarizing environmental and residential population information for multiple locations
      R
      •
      MIT License
      •0•1•1•0•Updated Feb 21, 2025Feb 21, 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.
      hacktoberfestow
      R
      •
      Creative Commons Zero v1.0 Universal
      •19•43•76•4•Updated Feb 21, 2025Feb 21, 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.
      HTML
      •
      MIT License
      •2•0•5•0•Updated Feb 21, 2025Feb 21, 2025

    • Water_Treatment_Models

      Public
      Predicting water treatment unit operation effectiveness
      ord
      Python
      •
      MIT License
      •14•25•3•0•Updated Feb 21, 2025Feb 21, 2025

    • 2024_Region8_AssessmentTool

      Public
      R
      •0•0•0•1•Updated Feb 21, 2025Feb 21, 2025

    • Aquatic-Resource-Data-Forms

      Public
      R
      •2•0•0•0•Updated Feb 21, 2025Feb 21, 2025

    • standardizedinventories

      Public
      Standardized Release and Waste Inventories
      ord
      Python
      •
      MIT License
      •21•26•7•1•Updated Feb 21, 2025Feb 21, 2025

    • CMAQ

      Public
      Code for U.S. EPA’s Community Multiscale Air Quality Model (CMAQ) which helps in conducting air quality model simulations
      ord
      Fortran
      •
      MIT License
      •212•297•4•2•Updated Feb 21, 2025Feb 21, 2025

    • ATtILA2

      Public
      Esri ArcGIS toolbox that allows users to easily calculate many common landscape metrics
      oms
      Python
      •4•10•0•0•Updated Feb 21, 2025Feb 21, 2025

    • toxvaldbmain

      Public
      R package of scripts used to transform data in toxval_source (processed from ToxVal_Stage package) into normalized ToxValDB format.
      R
      •2•4•0•4•Updated Feb 21, 2025Feb 21, 2025

    • data_gathering

      Public
      Repository for scraping GHS and experimental toxicity/physicochemical property data and storing it in a common format
      Java
      •2•0•0•0•Updated Feb 21, 2025Feb 21, 2025

    • FrEDI

      Public
      FrEDI estimates annual physical and economic impacts from temperature to the U.S., through the 21st century
      oar
      HTML
      •
      Other
      •12•12•16•1•Updated Feb 21, 2025Feb 21, 2025

    • the-manifest-game

      Public
      Interactive decision tree to help e-Manifest users
      olem
      TypeScript
      •
      MIT License
      •3•1•0•0•Updated Feb 21, 2025Feb 21, 2025

    • egrid

      Public
      Emissions & Generation Resource Integrated Database (eGRID)
      oaregrid
      R
      •
      MIT License
      •6•9•4•0•Updated Feb 20, 2025Feb 20, 2025

    • IntraCMS

      Public
      US EPA Intranet CMS
      phpdrupaloms
      CSS
      •
      MIT License
      •3•6•0•0•Updated Feb 20, 2025Feb 20, 2025

    • StreamCat

      Public
      Landscape summaries of natural and anthropogenic landscape features for ~2.65 million streams, and their associated catchments, within the conterminous USA
      datasethydrologywatershedsordnhdplus
      Python
      •16•52•36•0•Updated Feb 20, 2025Feb 20, 2025

    • flowsa

      Public
      Library that attributes resource use, waste, emissions, and loss to economic sectors
      ord
      Python
      •
      MIT License
      •23•27•24•2•Updated Feb 20, 2025Feb 20, 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
      •7•17•2•0•Updated Feb 20, 2025Feb 20, 2025

    • msft-chatbot-ui

      Public
      Customized GenAI chatbot interface for EPA employees
      nextjsomsgenaigenai-chatbot
      TypeScript
      •
      MIT License
      •8.4k•1•3•0•Updated Feb 19, 2025Feb 19, 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 Feb 19, 2025Feb 19, 2025

    • EnviroAtlas_JSApp

      Public
      Easy to use, interactive mapping application to access hundreds of maps showing environmental data
      ord
      JavaScript
      •9•14•0•1•Updated Feb 19, 2025Feb 19, 2025

    • ContDataQC

      Public
      Quality control checks on continuous data. Example data is from a HOBO data logger with 30 minute intervals.
      ord
      HTML
      •
      MIT License
      •12•3•0•1•Updated Feb 19, 2025Feb 19, 2025

    • WNTR

      Public
      An EPANET compatible python package to simulate and analyze water distribution networks under disaster scenarios.
      simulationmodelingwaterordpython
      Python
      •
      Other
      •193•336•38•4•Updated Feb 19, 2025Feb 19, 2025

    • e-manifest

      Public
      API services documentation and reference material for the e-Manifest hazardous waste tracking system
      olem
      HTML
      •
      Creative Commons Zero v1.0 Universal
      •24•26•21•0•Updated Feb 19, 2025Feb 19, 2025

    • SWMM-GUI

      Public
      Source Code for the Stormwater Management Model Graphical User Interface
      Pascal
      •3•7•12•1•Updated Feb 19, 2025Feb 19, 2025

    • NEP-Ocean-Acidification

      Public
      Code used for filtering, QAing, and visualizing monitoring data from NEP sites for ocean acidification and water quality analysis
      R
      •3•1•0•0•Updated Feb 19, 2025Feb 19, 2025

    • GEPA

      Public
      This repository contains the code for the EPA U.S. gridded methane greenhouse gas inventory (gridded GHGI)
      Python
      •
      MIT License
      •5•6•18•6•Updated Feb 18, 2025Feb 18, 2025