Surface Water Models
The EPA Center for Exposure Assessment Modeling (CEAM) distributes simulation models and database software designed to quantify movement and concentration of contaminants in lakes, streams, estuaries, and marine environments.
Available Products
The following surface water models were developed by the U.S. Environmental Protection Agency in conjunction with other government, academic, and commercial institutions. To find out more about a particular model, click on a hyper-linked model name in the table below. The models listed are available for download and are subject to the CEAM distribution and support policy.
Product Name | Operating System | Key Words | Maintained By |
---|---|---|---|
AQUATOX | Win XP, Vista, 7 | aquatox, simulation model, fate prediction, aquatic systems, effect on ecosystem, ecological risk assessments, aquatic ecosystem | CEAM |
BASINS | Win XP, Vista, 7, 8 | multipurpose environmental analysis system, watershed management, water quality, tmdl, gis framework, analytical components, ndpes | CEAM |
EFDC | Win 98, NT, 2000, XP | surface water, hydrodynamic, sediment-contaminant, eutrophication, rivers, lakes, reservoirs, wetlands, estuaries, coastal ocean regions, assessment, management, regulatory | CEAM |
EXAMS | Win 98, NT, 2000, XP | aquatic biology, assessment, biology, chemistry, compliance, environmental effects, metals, NPS related, permits, pesticides, point source(s), rivers, streams, surface water, test/analysis | CEAM |
EXPRESS | Win 98, NT, 2000, XP | przm, exams, exposure, shell | CEAM |
GCSOLAR | Win 9x, NT | solar, photolysis, half-life, pollutant, aquatic, ozone | CEAM |
HSCTM2D | Win 9x, NT | hydrology, sediment, contaminant, transport, finite element model, river, estuary | CEAM |
HSPF | Windows XP, Vista, Windows 7, or Windows 8 | assessment, biology, compliance, deposition, discharge, environmental effects, estuaries, hydrology, lakes, metals, monitoring, NPS related, NPDES, nutrients, permits, pesticides, point source(s), rivers, sediment, streams, surface water, test/analysis, TMDL related, toxicity | CEAM |
PRZM3 | Win 98, NT, 2000, XP | assessment, discharge, environmental effects, hydrology, land use management, metals, pesticides, surface water, test/analysis | CEAM |
QUAL2K Exit | Win ME, 2000, XP | aquatic biology, assessment, compliance, discharge, environmental effects, hydrology, NPS related, NPDES, point source(s), surface water, test/analysis, TMDL related | EPA Region 4 |
RUSLE2 Exit | Win 98, NT, 2000, XP | rill, interrill, erosion, sediment, overland flow, climate, soil, topography, land use | USDA Agricultural Research Service Exit |
SERAFM | MS-Excel 2003 | serafm, exposure, assessment, mecury, hg, surface water, pond, stream, river | CEAM |
SWMM | Win 98, NT, ME, 2000, XP | aquatic biology, assessment, combined sewer, community, discharge, environmental effects, metals, NPS related, NPDES, point source(s), procedure, rivers, stormwater, streams, surface water, test/analysis, TMDL related | Water Supply & Water Resources Division (NRMRL) |
Virtual Beach | MS Windows | surface water, water bodies, beach, pathogen predictor, multiple linear regression, MLR, best-fit model | CEAM |
Visual Plumes | Win 98, NT, 2000, XP | surface, water, jet, plume, model, quality, contaminant, TMDL | CEAM |
WASP | Win 95, 98, ME, 2000, XP | aquatic biology, assessment, compliance, discharge, environmental effects, hydrology, metals, NPS related, NPDES, point source(s), surface water, test/analysis, TMDL related | CEAM |
WHATIF | Win XP(SP2) | watershed, health, fish, habitat, macro-invertebrate, biodiversity, BASS, biomass, biota, aquatic ecosystem, MAHA, CVI, hydraulic, bankfull, flow, restoration, foodweb, mercury, PCB, dioxin | CEAM |
WMOST | Windows Excel 2010, 2013 | Integrated Watershed Management, Optimization, Decision-Support, Green Infrastructure, Tool | CEAM |