Surface-water quality and flow Modeling Interest Group

EPA Model Archives

CEAM archive

Model archive for EPA's Center for Exposure Assessment Modeling. From this site, you can download versions of HSCTM2D, HSPF, MINTEQ, CORMIX, PLUMES, QUAL2EU, SWMM, SMPTOX3, Visual Plumes, and WASP, among others.

WWQTSC Toolbox

EPA's TMDL Modeling Toolbox, with links to watershed, water-quality, and hydrodynamic models (BASINS, WCS, LSPC, WAMView, SWMM, WASP, QUAL2K, Aquatox, EPD-RIV1, EFDC, WARMF).

CORMIX

A simulation and decision support system for assessment of mixing zones resulting from continuous point source discharges.

AQUATOX

AQUATOX predicts the fate of various pollutants and their effects on the ecosystem, including fish, invertebrates, and aquatic plants.

BASINS

The home page of EPA's Better Assessment Science Integrating Point and Nonpoint Sources (BASINS) tool. BASINS claims to integrate a geographic information system (GIS), national watershed data, and state-of-the-art environmental assessment and modeling tools into one convenient package.

WASP 6.0

The latest version of the Water Quality Analysis Simulation Program (WASP, version 6.0) has been upgraded with a Windows interface.

EPA software

A general EPA software page, with links to a Windows version of QUAL2E and other models.

OnSite Calculators

OnSite OnLine Tools for Site Assessment -- a set of online calculators for performing unit conversions, estimating model input parameters, running models and demonstrating principles. (Mostly applied to ground-water problems)

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