AWM is a planning/design tool for animal feeding operations. It can be used to estimate the production of manure, bedding, and process water to design storage/treatment facilities. The procedures and calculations used in AWM are based on the USDA-NRCS Agricultural Waste Management Field Handbook . AWM has traditionally been used for designing waste storage structures such as storage ponds, tanks and anaerobic lagoons for liquids; and covered and uncovered dry stacks with or without walls for solids.
In 2010 the AWM was upgraded to AWM 2.4 with the additional capability to evaluate existing waste storage structures. The results from the evaluation can be incorporated into the design processes for new facilities. The user can design the new facility for the --Total-- waste flowing into the structure or for the --Additional-- waste not handled by an existing facility. The AWM User Guide provides in-depth procedure on how to use the AWM for designing and/or for evaluating waste storage facilities. Some of the standard functions and features of AWM include:
1. Manure characteristics for eight animal types with the ability to modify these characteristics
and add animal types as necessary
2. Accounting of bedding, wastewater, flush water and other additions to the waste stream.
3. Tracks liquid and solid wastes produced in multiple locations through multiple waste streams
4. Develops separation, storage, and treatment components for liquid and solid wastes that are
defined as a 'Management Train'
5. Estimates precipitation and runoff entering the 'Management Train'.
6. Develops a monthly water and waste budget for each terminal treatment/storage component.
7. Produces a gross nutrient balance from target yields and crop acreage specified for crops
listed in the crop database
8. Sizes storage facilities using a defined storage period or drawdown dates specified by the user
9. Possibility of designing a new structure either for the 'Total' waste or for the 'Additional'
waste not handled by the existing structure
10. Provides a schematic drawing for each terminal treatment/storage component
11. Generates a standard or custom report to document the system design for the 'Total'
or 'Additional' waste
12. Evaluation of existing facilities with a color-coded on-screen report and printable paper report
13. Evaluation reports for each evaluated facility
14. Supports earlier versions of AWM project files
15. Improved 'Help' document with context sensitive links from every AWM window
16. Restricts multiple runs of AWM and the Access report generation programs to avoid
the possibility of database corruption and slowing down of AWM operation and reporting process
17. Provides a calculator for converting units and performing computations.
AWM 2.4 has been developed and tested under Microsoft Windows XP. It has not been thoroughly tested under Windows 2007. However, preliminary tests indicate that it works fine if it is installed outside the 'Program Files' folder. Thus, under Windows 2007 install AWM 2.4 outside the 'Program Files' folder (Go to installation page).
In 2010 AWM 2.4 was automatically installed on all NRCS computers which had earlier version of AWM. However, the new AWM users need to download the AWM installer and install on their computer using the procedure describe in the AWM Installation Guide . The system requirements to run AWM 2.4 include:
Any IBM-compatible machine with at least a 400 Mhz processor
Microsoft Windows 2000 and higher including Windows 7, or Microsoft Windows XP, or Microsoft Windows Vista
Microsoft Access 2002 or later (including Access 2007)
At least 256 MB of RAM
At least 30 MB of hard drive storage space
AWM installation requires administrative privileges. New AWM users on USDA computers should seek IT support staff assistance for installation.
If you don't have access to internet, you can also obtain AWM installation package on a CD from NRCS by writing to West National Technology Support Center, 1102 NE Lloyd Blvd #1000, Portland, Oregon 97232 (Att. Harbans Lal), or by clicking here and sending an email request for the CD containing the AWM 2.4 installation software.
The revised version of the AWM software (AWM.exe) is occasionally available from this website. You can download and replace your existing AWM executable file if your 'awm.exe' predates the date stamped on currently available 'awm.exe' using the following procedure. However, be aware that the revised AWM.exe is not an installation package. First-time AWM users should download the AWM installation package and install it on their computer before downloading and replacing the 'awm.exe' file.
Currently available AWM 2.4.0 Executable (Revised on Oct 2011) AWM.exe
AWM Executable File Upgrading Steps:
1. Using the revision link above, download the AWM.exe file to a temporary location on your system
2. Locate folder of AWM program & rename existing AWM.exe file for backup (i.e. 'OrigAWM.exe')
3. Move the downloaded AWM.exe file to the program file folder
4. Test to make sure AWM runs properly.
Note: Once AWM is working satisfactorily you may delete the renamed backup file ('OrigAWM.exe')
The AWM 2.4 requires MS Access for it to run successfully. It stores information on animals, beddings, climate, separators and several other parameters required for AWM. The AWM 2.4 database file (awm_data.mdb) is not compatible with prior versions of AWM. However, AWM 2.4 can read older versions of AWM project (*.awm) files but once they are saved in AWM 2.4, the saved project files cannot be used with older versions of AWM. Similar to the AWM program executable (awm.exe) the AWM database files (awm_data.mdb) is occasionally updated with latest information.
Currently available Database Version 2.8.1 (Revised on Oct 2011) awmData.zip
You can download and replace your existing AWM database file if your 'awm_data.mdb' predates the date stamped on currently available 'awm_data.mdb' file using the following procedure:
AWM Database Upgrading Steps:
1. Using the revision link above, download the awmData.zip file to a temporary location
on your system.
2. Locate the local folder of your AWM program file and rename the existing awm_data.mdb file
for backup (for example, 'OrigAWM_data.mdb').
3. Move the downloaded awm_data.zip file to the program file folder.
4. Unzip and extract the awm_data.mdb and save it the program folder.
5. Test to make sure AWM runs properly.
Note: Once AWM is working satisfactorily you may delete the
renamed backup file ('OrigAWM_data.mdb').
Central National Technology Support Center contact: Cherie Lafleur (817) 509-3303
East National Technology Support Center contact: Bill Reck (336) 370-3353
Program Coordination & Development: Harbans Lal (503) 273-2441
on the National Water Quality & Quantity Team
AWMCP List Server
The USDA/NRCS maintains an AWM listserv (AWMCP) to provide a way for the user community to communicate with each other and with AWM authors and programmers. AWMCP provides a platform for the AWM community to share experiences, issues and concerns, and to learn about new releases of the program. Updates concerning AWM and related databases will be sent to all subscribers of the AWMCP list service.
The AWMCP subscribers should report any "software bugs" they discover. Listserv etiquette maintains that posting must relate to AWM and should always strive to be brief, courteous, and professional.
To join the AWMCP listserv send an email to email@example.com leaving the subject line blank with 'SUBSCRIBE AWMCP [Your Firstname] [Your Lastname]' in the body of the message.