By following the instructions below, you can successfully download the OTTER for Windows software program. Please note that OTTER can only run with Windows 95, 98, and Windows NT.

Download OTTER Software Package Disk 1
File Size: 1454080 bytes
File Date: Sat Apr 15 02:02:30 2000

Download OTTER Software Package Disk 2
File Size: 1454080 bytes
File Date: Sat Apr 15 02:03:05 2000

Download OTTER Software Package Disk 3
File Size: 1454080 bytes
File Date: Sat Apr 15 02:03:38 2000

Download OTTER Software Package Disk 4
File Size: 1454080 bytes
File Date: Sat Apr 15 02:04:11 2000

Download OTTER Software Package Disk 5
File Size: 1454080 bytes
File Date: Sat Apr 15 02:04:47 2000

Download OTTER Software Package Disk 6
File Size: 1454080 bytes
File Date: Sat Apr 15 02:05:21 2000

Download OTTER Software Package Disk 7
File Size: 1454080 bytes
File Date: Sat Apr 15 02:05:55 2000

Download OTTER Software Package Disk 8
File Size: 1267005 bytes
File Date: Sat Apr 15 02:06:26 2000

To successfully install OTTER software package, perform the following steps:

1. Download OTTER software package program disk files. Save them to a temporary directory (e.g. c:\temp).

2. Run the install program INSTALL.EXE.

3. Follow the installation instructions.

The OTTER reference documentation.

Download Adobe Acrobat Reader 4.0 for 32-bit MS Windows
File Size: 6686176 bytes
File Date: Tue Oct 10 02:33:36 2000

In order to read documentation in the PDF file format, you must have Adobe Acrobat Reader 4.0 installed. We have provided the MS Windows versions for download. If you require a non-Windows reader, Visit Adobe.

To successfully install the Adobe Acrobat Reader, perform the following steps:

1. Download the installation file and save it to a temporary directory (e.g. c:\temp).

2. Run the Adobe Acrobat Reader setup program. In order to run the setup program, Windows must be running. Using a file manager, locate the directory that contains Adobe Acrobat Reader setup executable (e.g. c:\temp), and double-click on the file.

3. Follow the installation instructions.

4. Delete the Adobe Acrobat Reader installation file. Once Adobe Acrobat Reader has been successfully installed, the installation files can be safely removed.

Download OTTER Installation Guide (PDF File)
File Size: 485554 bytes
File Date: Fri Apr 14 02:01:35 2000

This document provides detail about installation of OTTER.

Download an introduction of using OTTER (PDF File)
File Size: 16025 bytes
File Date: Fri Apr 14 02:01:48 2000

This exercise provides an introduction to the OTTER software by building a model of a treatment works, running the model and viewing the results.

Download OTTER Process Model Description (PDF File)
File Size: 506132 bytes
File Date: Fri Apr 14 02:01:47 2000

This manual describes the mathematical models used for the various processes within OTTER and provides guidelines for calibrating these processes.