U.S. Environmental Protection Agency

Protecting Human Health and the Environment

Verified
We've verified that the organizationUSEPA controls the domain:
- www.epa.gov
Learn more about verified organizations

527 followers
United States of America
https://www.epa.gov
@EPA
epagov

The US Environmental Protection Agency's mission is to protect human health and the environment. We develop models, tool, data sets, libraries, and applications to help serve our mission.

As part of the government's open source initiative, we publish software here and are open to recieving contributions depending on the project. Please see each repository's CONTRIBUTING.md file for how you can help.

Check out EPA's public open job postingsusabjos.gov.

Here are some interesting topics to explore:

ord -- EPA's office of research and development develops models and tools to study environmental issues
ow -- EPA's office of water studies and regulates the US's waterways
oar -- EPA's Office of Air and Radiation studies and regulates air pollution and emissions

PinnedLoading

WNTRWNTRPublic
An EPANET compatible python package to simulate and analyze water distribution networks under disaster scenarios.
Python 342 195
CMAQCMAQPublic
Code for U.S. EPA’s Community Multiscale Air Quality Model (CMAQ) which helps in conducting air quality model simulations
Fortran 301 214
Stormwater-Management-ModelStormwater-Management-ModelPublic
Dynamic hydrology-hydraulic water quality simulation model for stormwater, wastewater, and combined sewer collection systems
C 257 181
elevatrelevatrPublic
An R package for accessing elevation data
R 206 28

Repositories

Showing 10 of 523 repositories

toxvaldbmain Public
R package of scripts used to transform data in toxval_source (processed from ToxVal_Stage package) into normalized ToxValDB format.
USEPA/toxvaldbmain’s past year of commit activity
R 4 2 0 4 UpdatedMar 19, 2025
csb-rebate-forms-app Public
Code related to the U.S. EPA Clean School Bus (CSB) data collection system. Specifically, this repository provides code for the cloud.gov hosted CSB Rebate Forms Application (i.e., Applicant Dashboard).
USEPA/csb-rebate-forms-app’s past year of commit activity
CSS 2CC0-1.0 2 0 1 UpdatedMar 19, 2025
standardizedinventories Public
Standardized Release and Waste Inventories
USEPA/standardizedinventories’s past year of commit activity
Python 26MIT 22 6 0 UpdatedMar 19, 2025
toxvaldbstage Public
R package for the processing and staging of data sources which will be loaded into the ToxVal database.
USEPA/toxvaldbstage’s past year of commit activity
R 1 2 0 3 UpdatedMar 19, 2025
gas_lab Public
Scripts for processing data from US EPA AWBERC gas lab.
USEPA/gas_lab’s past year of commit activity
0MIT0 0 0 UpdatedMar 19, 2025
2025_Region8_AnalysisTool Public
R Shiny Application (under development) built using the Golem Framework. This application is being developed to assist EPA and Region 8 states and tribal nations with accessing, analyzing and visualizing Water Quality Portal (WQP) data.
USEPA/2025_Region8_AnalysisTool’s past year of commit activity
1CC0-1.0 2 17 0 UpdatedMar 19, 2025
code-json-generator Public Forked fromemartinez-usgs/code-json-generator
Automation that scrapes USEPA github and provides that metadata for code.gov
USEPA/code-json-generator’s past year of commit activity
JavaScript0MIT 10 0 0 UpdatedMar 19, 2025
flowsa Public
Library that attributes resource use, waste, emissions, and loss to economic sectors
USEPA/flowsa’s past year of commit activity
Python 27MIT 23 24 5 UpdatedMar 18, 2025
BMDS-UI Public
U.S. EPA Benchmark Dose Modeling Software User Interface (BMDS Desktop and BMDS Online)
USEPA/BMDS-UI’s past year of commit activity
CSS 3MIT 2 0 2 UpdatedMar 18, 2025
power-sector-dev-portal Public
USEPA/power-sector-dev-portal’s past year of commit activity
JavaScript0MIT0 0 0 UpdatedMar 18, 2025