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Contact Us Water: AQUATOX
 Water  Science & Technology  Applications & Databases  Water Quality Models  AQUATOX
 Download AQUATOX Table of Contents What's new in release 3?
Basic Information
What does AQUATOX do? 
Potential applications to water management
Unique features and operations
Training - classes and downloadable presentation materials
AQUATOX Email Listserver
Selected Publications on AQUATOX
**Download AQUATOX**
 Download AQUATOX here. System requirements
Download AQUATOX, Release 3
Documentation 
Users' Manual
Technical Documentation
Users' Manual for the Extension to BASINS
Model Validation Reports
Technical Notes
Ordering Information  You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more. System Requirements *Minimum:* Windows 98, 2000, NT, or XP
512 MB RAM
100 MB free disk space *Recommended:* Pentium PC, 2.0GHz or higher (or equivalent)
Windows 2000, XP, or Vista
2 GB RAM
1 GB free disk space  Top of page  Download AQUATOX, Release 3 Installation Information You are downloading a zipped Installshield file. This file includes the AQUATOX model, example studies, and data libraries (16.4MB).
 Once the download completes, unzip the first file, then double-click 
the executable file. The file will unzip and be installed on your 
Windows PC. Please follow the instructions from the Installshield. **Notes on Installing AQUATOX Release 3 under Windows XP and the Vista Operating Systems** **AQUATOX must be initially installed by an Administrator.** (Future model updates may be possible without Administrator privileges)
**If AQUATOX will exclusively be run using an “administrator” account,** no additional changes need to be made.
**If AQUATOX will be run by a user with a “standard” account,** full read and write privileges must be given to that user for the directory in which AQUATOX has been installed.
**An alternative to adding read and write privileges:**
 is to install AQUATOX in a directory where the user already has read 
and write privileges. This is the best choice when installing AQUATOX in
 managed desktop systems. Additional details on installation may be found in the AQUATOX Release 3 Installation Guide (PDF) (5 pp, 599K)  Top of page  AQUATOX Documentation User's Manual The User's Manual (PDF) (94 pp, 1.5MB)
 guides you through the use and operations of the various model 
capabilities, describes the model structure, and provides example 
applications. This file may also be accessed when running AQUATOX by 
using the AQUATOX help menu or by pressing the “help” button available 
on most screens. Technical Documentation The Technical Documentation (PDF) (339 pp, 7.7MB) presents a detailed description of the model structure and component equations for Release 3. AQUATOX Release 2.1 Users' Manual for the Extension to BASINS The BASINS Extension Users' Manual (PDF) (50 pp, 2.8MB)
 guides you through the use and operation of the link to the BASINS GIS 
and watershed modeling system, including the enhancements made in 
Release 2.1. Note: the linkage operates in essentially the same manner 
under Release 3 as Release 2.1 Model Validation Reports Note: these reports are from Release 1 and 1.1. They have not been 
re-done using the Release 3 code, so the model results would be somewhat
 different. The overall results and conclusions should still be valid. Nutrient analysis on the Onondaga Lake, New York (PDF) (16 pp, 686K)
Nutrient analysis of the Coralville Reservoir, Iowa (PDF) (10 pp, 461K)
Bioaccumulation of PCBs in Lake Ontario (PDF) (38 pp, 1.9MB)
Download the entire document (PDF) (69 pp, 3MB)
Report on the periphyton simulation and validation (PDF) (41 pp, 630K)  Top of page  Technical Notes AQUATOX Technical Note 1: A Calibrated Parameter Set for Simulation of Algae in Shallow Rivers (PDF) (19 pp, 1.9MB)  Top of page  Ordering Information The AQUATOX software and its supporting documentation are available 
by downloading from this web site. However, several documents that were 
prepared for earlier AQUATOX versions and which are still applicable may
 still be available in print. You can order printed copies of the BASINS extension users’ manual and the Validation Reports from the National Service Center for Environmental Publications. Top of page
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