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The Water Quality Analysis Simulation Program—
(WASP6), an enhancement of the original WASP (Di Toro et al., 1983;
Connolly and Winfield, 1984; Ambrose, R.B. et al., 1988). This model
helps users interpret and predict water quality responses to natural
phenomena and manmade pollution for various pollution management
decisions. WASP6 is a dynamic compartment-modeling program for
aquatic systems, including both the water column and the underlying
benthos. WASP allows the user to investigate 1, 2, and 3
dimensional systems, and a variety of pollutant types. The state
variables for the given modules are given in the table below.
The time varying processes of advection, dispersion, point and diffuse
mass loading and boundary exchange are represented in the model.
WASP also can be linked with hydrodynamic and sediment transport models
that can provide flows, depths velocities, temperature, salinity and
sediment fluxes.
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Eutrophication
Module
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Organic
Chemical Module
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Mercury
Module
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Dissolved Oxygen
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Chemical 1
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Elemental
Mercury
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CBOD (1)
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Chemical 2
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Divalent
Mercury
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CBOD (2)
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Chemical 3
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Methyl
Mercury
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CBOD (3)
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Solids 1
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Sands
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Ammonia
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Solids 2
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Fines
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Nitrate
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Solids 3
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Organic Nitrogen
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Orthophosphate
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Organic
Phosphorous
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Algae
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Benthic Algae
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Detritus
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Sediment
Diagenesis
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Salinity
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WASP has been used to examine eutrophication
of Tampa Bay, FL; phosphorus loading to Lake Okeechobee, FL;
eutrophication of the Neuse River Estuary, NC; eutrophication Coosa
River and Reservoirs, AL; PCB pollution of the Great Lakes,
eutrophication of the Potomac Estuary, kepone pollution of the James
River Estuary, volatile organic pollution of the Delaware Estuary, and
heavy metal pollution of the Deep River, North Carolina, mercury in the
Savannah River, GA. WASP Preprocessor The data preprocessor allows for the rapid
development of input datasets. The ability to bring data into the
model is as simple as cut and paste or queried from a database.
The preprocessor provides detailed descriptions of all model parameters
and kinetic constants. When linking WASP with hydrodynamic models
it is as simple as pointing to the hydrodynamic linkage file.
- Import time series from WRDB, Spreadsheet,
Text Files
- Automatically import hydrodynamic model
interface information
- Multi-session capable
- Run time diagnosis
Post Processor The Post-Processor (MOVEM) provides an
efficient method for reviewing model predictions and comparing them
with field data for calibration. MOVEM has the ability to display
results from all of the WASP models as well as others. MOVEM allows the
modeler to displays the results in two graphical formats:
- Spatial Grid – a two dimensional rendition of the model
network is displayed in a window where the model network is color
shaded based upon the predicted concentration.
- x/y Plots -- generates an x/y line plot of predicted
and/or observed model results in a window.
There is no limit on the number of x/y plots,
spatial grids or even model result files the user can utilize in a
session. Separate windows are created for each spatial grid or x/y plot
created by the user.
WASP Model Information
Current Version |
6.2 |
Release Date |
November 5, 2003 |
Operating System |
Windows 95/98/ME/2000/XP |
Intended Audience |
Environmental Engineers/Scientists, Regulatory Agencies |
Key Words |
aquatic biology, assessment, compliance, discharge, environmental effects, hydrology, metals, NPS related, NPDES, point source(s), surface water, test/analysis, TMDL related |
Media |
Surface Water |
Pollutant Types |
Conventional Pollutants (Nitrogen, Phosphorus, Dissolved Oxygen, BOD, Sediment Oxygen Demand, Algae), Organic Chemicals, Metals, Mercury, Pathogens |
File Download Information
| File Type/Priority |
Filename/Format/Size |
File Description |
Install/Required |
WASP61.EXE -- Self Extracting Zip File
14 MB |
This file contains the WASP Model including the data preprocessor, the kinetic models, graphical post processor. User is encourage to download the example input files and model documentation. |
Optional |
WASP_Update.EXE -- Self Extracting Zip
860 KB |
This file contains updates to the WASP model DLLs. These DLLs correct problems when linking with the DYNHYD hydrodynamic model. If you are not linking with DYNHYD you do not need these files. |
Optional |
WASP_INP.EXE -- Self Extracting Zip File
67 KB |
This file contains example input files to test model installation. The purpose of these files is for the user to acquaint themselves with the model and test execution. They do not represent a calibrated real world example. |
Optional |
WASPCourse.EXE -- Self Extracting Zip File
13.5 MB |
This file contains the materials used during EPA Sponsored WASP Workshops. It includes Power Point presentations used for lectures, TMDL example datasets, utility programs and other materials. |
Optional |
WASP Manual -- Self Extracting Zip File
2.5 MB |
This file contains the WASP 6.X Users Manual in PDF Format. |
Optional |
WASP Fact Sheet (PDF Format) -- PDF File
640 KB |
This file contains a Fact Sheet about the WASP Modeling System in PDF Format. |
Date Last Modified:
February 12, 2004
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