Explore @USEPA Open Source projects

Top Rating
- Top Contributors
  Discover the Top Open Source contributors by country or by language
- Interviews
  Discover real stories from Open Source developers
Discover

Discover your Favorite Language
Discover the top trending repositories and projects on Github. Explore the latest trends in your preferred languages.

R

CoffeeScript

C++

Kotlin

HTML

Lua

Crystal

CSS

More Languages
Awesome

Awesome repositories
Discover the most awesome repositories and projects of your favorite languages. Inspired by the Awesome-* lists trend in GitHub.

TypeScript

C

Julia

Dart

Rust

Elm

C++

Crystal

More Languages
By Country

Rankings by Country
Discover the community of talented open source contributors in each country.

🇳🇮 Nicaragua

🇬🇬 Guernsey

🇰🇮 Kiribati

🇧🇱 Saint Barthélemy

🇪🇬 Egypt

🇦🇲 Armenia

🇰🇭 Cambodia

🇰🇲 Comoros

All Countries Compare Countries

U.S. Environmental Protection Agency (@USEPA)

USEPA

Stars
2,369
Global Org. Rank 8,260 (Top 3 %)
Registered over 12 years ago
Most used languages

Python
27.0 %

R
22.2 %

JavaScript
12.3 %

HTML
9.5 %

Jupyter Notebook
4.4 %

C#
3.6 %

TypeScript
2.8 %

CSS
2.4 %

C++
2.0 %

Java
1.6 %

Fortran
1.2 %

PHP
1.2 %

Pascal 1.2 %

C
1.2 %

Others 7.6 %
Location 🇺🇸 United States
Country Total Rank 4,241
Country Ranking

Visual Basic 6.0 7

Fortran
12

Pascal 30

R
121

NSIS 165

Rich Text Format 173

TSQL 178

PLpgSQL 293

Batchfile 663

Visual Basic 668

Vue 791

C
995

HTML
1,315

SCSS 1,373

CSS
1,563

Python
1,584

MATLAB
1,748

TeX
1,833

Jupyter Notebook
2,867

Java
2,968

C#
3,741

PHP
4,427

Dockerfile
5,053

TypeScript
6,014

Go
6,368

JavaScript
6,617

C++
6,727

Objective-C
7,399

WNTR

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

CMAQ

Code for U.S. EPA’s Community Multiscale Air Quality Model (CMAQ) which helps in conducting air quality model simulations

Stormwater-Management-Model

Dynamic hydrology-hydraulic water quality simulation model

EPANET2.2

Perform extended-period simulation of the hydraulic and water quality behavior within drinking water distribution systems

SWMM-EPANET_User_Interface

User interface for the Stormwater-Management-Model

epanet-solver

Perform extended-period simulation of the hydraulic and water quality behavior within drinking water distribution systems

EPA_MOVES_Model

Estimating emissions for mobile sources

StreamCat

Landscape summaries of natural and anthropogenic landscape features for ~2.65 million streams, and their associated catchments, within the conterminous USA

haztrak

An open-source web app that illustrates how waste management software can interface with RCRAInfo to track hazardous waste electronically

Public_Web_AppBuilder

OEI - EPA_Public_Esri_Web_AppBuilder

TADA

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.

camd-eia-crosswalk

A data crosswalk to integrate U.S. power sector emission and operation data from EPA to EIA

fedelemflowlist

LakeTrophicModelling

Applying data-mining approaches to predict lake health

useeior

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

StreamCatTools

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.

USEEIO

Estimating potential impacts of goods and services in the US economy (overview repository)

standardizedinventories

Standardized Release and Waste Inventories

e-manifest

API services documentation and reference material for the e-Manifest hazardous waste tracking system

ElectricityLCI

OneEPA-Standalone-App-Template

Standalone application template for non-www EPA.gov applications

flowsa

Library that attributes resource use, waste, emissions, and loss to economic sectors

CompTox-ExpoCast-httk

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.

CompTox-ToxCast-tcpl

US EPA's Toxicity Forecaster (ToxCast) Pipeline

epa_r_workshop_2019

Materials from an R User Group workshop

LakeCat

Landscape summaries of natural and anthropogenic landscape features for ~378,088 lakes and their associated catchments across the conterminous US.

lakemorpho

Calculate metrics about a lake using just its shape

AMET

Code base for the U.S. EPA’s Atmospheric Model Evaluation Tool (AMET)

LCIAformatter

sensortoolkit

Air Sensor Data Analysis Library

CompTox-PK-CvTdb

Environmental-Technologies-Design-Option-Tool

Software models that provides engineers with the capability to evaluate and design systems that use granular activated carbon or ion exchange resins for the removal of contaminants, including PFAS, from drinking water and wastewater

Visual Basic 6.0

CompTox-ToxRefDB

US EPA's Toxicity Reference Database (ToxRefDB)

power-profiler

open-source-projects

This repository contains information on how to work with EPA open source projects.

FDTool

R-User-Group

CityWaterBalance

Visualize and model urban water flows and storages

Air-Trends-Report

Source code for EPA’s annual air trends report on air quality, emissions and visibility trends.

spsurvey

spsurvey: Spatial Sampling Design and Analysis in R

mywaterway

How's My Waterway provides information about the conditions streams, lakes and other waters anywhere in the U.S.

Water-Quality-Data-Analysis-Tool

EnviroAtlas_JSApp

Easy to use, interactive mapping application to access hundreds of maps showing environmental data

EPANETMSX

Water-Quality-Data-Discovery-Tool

RAQSAPI

A R extension to Retrieve EPA Air Quality System Data via the AQS Data Mart API

IO-Model-Builder

Create environmentally extended input-output models

Jupyter Notebook

scghg

Jupyter Notebook

EPA_OMEGA_Model

Model to evaluate policies for reducing greenhouse gas emissions from light duty vehicles

FRS-getfacilities-samples

OEI FRS-getfacilities-samples repository.

USEEIO_API

API for USEEIO, estimates the potential impacts—environmental and economic—associated with the production or consumption of goods and services

Python_CoP

Code, documentation, presentations, for EPA's Python CoP

Jupyter Notebook

spmodel

spmodel: Spatial Statistical Modeling and Prediction in R

O3-Nowcast

Estimates and predicts AQI in real time. Putting the "now" in AQI

FrEDI

FrEDI estimates annual physical and economic impacts from climate change to the U.S., through the 21st century

TADAShiny

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.

EJSCREENBatch

webcms

Content management system for EPA's intranet

My-Right-To-Know--MyRTK-

This application compares toxic chemical releases from individual facilities to releases from other facilities in the same county, as well as to releases from other facilities in the same industry sector.

Water_Treatment_Models

Predicting water treatment unit operation effectiveness

micromap

ORD for R micromap package development

PHP-SDWIS-SAMPLE-Envirofacts-API

PHP Sample Code Using Envirofacts Safe Drinking Water Information System (SDWIS) Representational State Transfer (REST) Application Programming Interface (API)

EPA-Metadata-Editor-5

Geospatial metadata editor for compliance with EPA’s Technical Specification

Dasymetric-Toolbox-ArcGISPro

cam-api-examples

CMAQ_ADJOINT

EPA-Metadata-Editor-Pro

Marine_Emissions_Tools

Tools for estimating emissions from commercial marine vessels.

PPMtools

harmonize-wq

Standardize, clean and wrangle Water Quality Portal data into more analytic-ready formats

E-Enterprise-Portal

E-Enterprise is a transformative approach to make environmental information and data more accessible, efficient, and evidence-based through advances in monitoring, reporting, and information technology. The Portal is designed to be a modern and efficient interface for environmental transactions. This includes easier access to information and making transactions with environmental agencies as efficient and effective as possible.

epafiles

EPA's Master Look and Feel

EPA-Weather-Tool

Recreation_Benefits

Understand the economic value of coastal recreation and water quality

SSN2

SSN2: Spatial Modeling on Stream Networks in R

watershed_integrity

Rapid-Benefit-Indicators-Tools

Assessing restoration sites using non-monetary benefit indicators

stateior

Prepares US state two-region Make and Use tables

CRACMM

EPA_ALPHA_Model

Model to evaluate emissions of cars

emf

Emissions Modeling Framework (EMF)

Dasymetric-Toolbox-OpenSource

LSPC-Loading-Simulation-Program

CANARY

Tool for finding events in water quality metrics

CompTox-ExpoCast-invivoPKfit

R9-Widgets

Shareable R9 widgets

GIFMod

Computer program that can be used to construct models to evaluate the performance of stormwater green infrastructure (GIs) and other types of urban and agricultural best management practices

AVERT

Tool which evaluates how energy policies and programs such as energy efficiency and renewable energy lead to changes in emissions from electric power plants

EcoHealth_Relationship_Browser

Properties_Scraper

GeoPlatform-Request-Tool

Provisions EPA GeoPlatform (GPO) user accounts during emergency response events and projects

nsink

VELMA_Public

Visualizing Ecosystem Land Management Assessments

WetQual-GUI

This Graphical User Interfaces (GUI) was developed for the Wetland Water Quality Model, WetQual. The process-based WetQual model simulates nitrogen (N), phosphorus (P), total suspended sediment (TSS) and carbon (C) cycles and their dynamics in wetlands. The model partitions a wetland into three basic compartments: (1) (free) water column, (2) wetland soil layer, which is further portioned into aerobic and anaerobic zones, and (3) plant biomass.

spatialdata.epaR2023

Workshop material for the 2023 US EPA R User Group Spatial Workshop

supply-chain-factors

CompTox-HumanExposure-bayesmarker

EPANET-legacy-user-interface

TEVA-SPOT-GUI

This is a repository for the distribution of the TEVA-SPOT-GUI software

IntraCMS

US EPA's Intranet WebCMS built using Drupal 9