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

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

Dynamic hydrology-hydraulic water quality simulation model

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

User interface for the Stormwater-Management-Model

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

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

Applying data-mining approaches to predict lake health

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

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

US EPA's Toxicity Forecaster (ToxCast) Pipeline

Standardized Release and Waste Inventories

Calculate metrics about a lake using just its shape

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.

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

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

Materials from an R User Group workshop