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    503 repositories

    • EPA_OMEGA_Model

      Public
      Model to evaluate policies for reducing greenhouse gas emissions from light duty vehicles
      oar
      Python
      •7•19•3•1•Updated Feb 11, 2025Feb 11, 2025

    • Water_Treatment_Models

      Public
      Predicting water treatment unit operation effectiveness
      ord
      Python
      •
      MIT License
      •14•25•3•0•Updated Feb 11, 2025Feb 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.
      hacktoberfestow
      R
      •
      Creative Commons Zero v1.0 Universal
      •21•43•75•5•Updated Feb 11, 2025Feb 11, 2025

    • TADAShiny

      Public
      TADAShiny is a DRAFT 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
      •6•12•29•0•Updated Feb 11, 2025Feb 11, 2025

    • ATtILA2

      Public
      Esri ArcGIS toolbox that allows users to easily calculate many common landscape metrics
      oms
      Python
      •4•9•0•0•Updated Feb 11, 2025Feb 11, 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 Feb 11, 2025Feb 11, 2025

    • webcms

      Public
      Content management system for EPA's intranet
      awsterraformomshacktoberfestdrupal-9
      JavaScript
      •8•10•0•22•Updated Feb 10, 2025Feb 10, 2025

    • standardizedinventories

      Public
      Standardized Release and Waste Inventories
      ord
      Python
      •
      MIT License
      •21•26•8•2•Updated Feb 10, 2025Feb 10, 2025

    • GEPA

      Public
      This repository contains the code for the EPA U.S. gridded methane greenhouse gas inventory (gridded GHGI)
      Python
      •
      MIT License
      •4•4•18•7•Updated Feb 10, 2025Feb 10, 2025

    • FrEDI

      Public
      FrEDI estimates annual physical and economic impacts from temperature to the U.S., through the 21st century
      oar
      HTML
      •
      Other
      •11•12•17•0•Updated Feb 10, 2025Feb 10, 2025

    • FrEDI_Data

      Public
      Configuration data for FrEDI
      HTML
      •
      MIT License
      •2•0•3•0•Updated Feb 10, 2025Feb 10, 2025

    • Aquatic-Resource-Data-Forms

      Public
      R
      •2•0•0•0•Updated Feb 10, 2025Feb 10, 2025

    • QAPPBuilder

      Public
      QAPPBuilder
      ord
      Python
      •2•2•1•0•Updated Feb 10, 2025Feb 10, 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•33•44•5•Updated Feb 10, 2025Feb 10, 2025

    • CompTox-ExpoCast-httk

      Public
      The R package "httk" provides free, open-source data and models for toxicokinetics. The models are designed to use chemical-specific in vitro (animal free) measurements. The predictions can be used for traditional dosimetry as well as in vivo-in vitro extrapolation (IVIVE). This repository is for reporting bugs and contributing enhancements.
      ordcomptox
      R
      •15•27•2•0•Updated Feb 10, 2025Feb 10, 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.
      MIT License
      •2•0•5•0•Updated Feb 10, 2025Feb 10, 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•3•Updated Feb 10, 2025Feb 10, 2025

    • toxvaldbstage

      Public
      R package for the processing and staging of data sources which will be loaded into the ToxVal database.
      R
      •2•1•0•3•Updated Feb 10, 2025Feb 10, 2025

    • ctxR

      Public
      Utilities for Interacting with the CTX APIs in R without prior API knowledge https://www.epa.gov/comptox-tools/computational-toxicology-and-exposure-apis
      ordcctecomptox
      R
      •
      GNU General Public License v3.0
      •5•10•6•1•Updated Feb 10, 2025Feb 10, 2025

    • EPA_Non-geo_Metadata_Editor

      Public
      oms
      JavaScript
      •2•3•26•0•Updated Feb 10, 2025Feb 10, 2025

    • EPA-Metadata-Editor-Pro

      Public
      oms
      C#
      •2•10•22•0•Updated Feb 10, 2025Feb 10, 2025

    • SDAM-web-app

      Public
      Web Application for the Regional Streamflow Duration Assessment Methods (SDAMs)
      ow
      R
      •
      MIT License
      •2•0•0•0•Updated Feb 10, 2025Feb 10, 2025

    • EJAM-open

      Public
      EJAM package for installation and open source access
      R
      •
      MIT License
      •8•2•1•0•Updated Feb 10, 2025Feb 10, 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
      •22•49•14•1•Updated Feb 9, 2025Feb 9, 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 8, 2025Feb 8, 2025

    • egrid

      Public
      Emissions & Generation Resource Integrated Database (eGRID)
      oaregrid
      R
      •
      MIT License
      •6•7•4•0•Updated Feb 8, 2025Feb 8, 2025

    • flowsa

      Public
      Library that attributes resource use, waste, emissions, and loss to economic sectors
      ord
      Python
      •
      MIT License
      •23•26•24•2•Updated Feb 7, 2025Feb 7, 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 7, 2025Feb 7, 2025

    • CRB

      Public
      Java
      •
      MIT License
      •1•0•0•0•Updated Feb 7, 2025Feb 7, 2025

    • mywaterway

      Public
      How's My Waterway provides information about the conditions streams, lakes and other waters anywhere in the U.S.
      ow
      TypeScript
      •
      Creative Commons Zero v1.0 Universal
      •11•14•0•0•Updated Feb 7, 2025Feb 7, 2025