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Welcome to the Animal Feeding Operations Databases

New 2018 - eMMP Online Application

Beginning in March 2018, DNR added a web application tool to help livestock and poultry owners submit their annual manure management plan (MMP) updates. Please check the new eMMP application to obtain current facility MMP information, and to submit MMP annual updates easily from your home or office.

Animal Feeding Operations (AFO) Database

The online Animal Feeding Operations database (on this page) lets you access information about DNR’s regulated livestock and poultry facilities. You can look up locations, animal numbers, construction reviews, environmental or geological reviews. You can also find details about manure management plans (but check the eMMP application for the most recent MMP information), production areas, manure storage structures and treatment systems.

Facilities Included

The database includes facilities that the U.S. Environmental Protection Agency defines as medium or large animal feeding operations. Generally, Iowa has two types of facilities: confinements (totally roofed) or open feedlots (partially or totally unroofed). Regulations differ depending on the size, type and age of the facility.

Finding a Facility

Click on Search at the top of this page to search by location (left side) or facility characteristics (right side). The fastest way to find a facility is to type in the 5-digit Facility ID number and then click on the “Search” button. If you don’t know the Facility ID, search by facility name or the owner’s name. Search results appear at the bottom of the page.


Several Reports are available, but require Pop-ups. If you are having trouble accessing Reports, try disabling any Pop-up Blockers.


Unfortunately, because data from previous data systems have been imported into the online database, the DNR cannot guarantee the accuracy and completeness of the available information. Some of the historic data, such as animal numbers, were collected using different categories than are used today. Also, changes in facility operation are not always known or tracked with more than 8,000 facilities in the system. Producers who notice inaccurate information should contact their local DNR Field office to ask for corrections. Eventually, as resources permit, electronic documents will be added to the system. Until then, most records will be available at the central office and/or the appropriate field office.

More Information

Go to the Help link in the upper right-hand corner for how to use this application. You will also find links to a detailed user manual and a list of terms and definitions. For more information on regulations and requirements, see the DNR’s Animal Feeding Operations Web site.