Iowa has two types of animal feeding operations (AFOs) regulated under the Department of Natural Resources: confinements and open feedlots. See the AFO - General Overview for more about the two types of AFOs and state regulations that affect them.
-
AFO Construction Permits
Confinement feeding operations that plan to build, modify or expand must meet state requirements.
-
AFO Forms
Forms for Animal Feeding Operations.
-
AFO Rules & Regulations
Regulations in regards to Animal Feeding Operations.
-
AFO Fact Sheets & Resources
Resources in regards to Animal Feeding Operations.
-
AFO Confinements
Iowa's confinements are places where animals are kept in totally roofed operations.
-
AFO Dead Animal Disposal
Iowa regulations require that dead livestock be disposed of by composting, burying, incinerating, or rendering.
-
AFO Online Services
Online services include interactive mapping tools and searchable data directories.
-
AFO Open Feedlots
Iowa’s open feedlots are places where animals are kept in unroofed or partially roofed areas.
-
AFO Animal Truck Washes
Facilities that only wash livestock trucks or trailers and are not connected to public wastewater collection systems.
-
AFO Manure Application
All manure applicators in Iowa must follow state laws when land applying manure.
Submit Your Electronic MMP Forms
Your electronic manure management plans (MMP) forms and e-payments can be submitted online.

If in doubt, report it!
Quick reporting of hazardous spills is critical in providing the best emergency response. Call the Iowa DNR and local law enforcement right away.
Call our 24-hour line at 515-725-8694
Important Dates to Remember
Jan. 1:
Manure Applicator Certification Education is available online (the previous year's education cannot be used to renew certification in this year).
Jan. 1 to Jan. 31:
County Construction Evaluation Resolution (Master Matrix) due.
Jan. 10:
Annual reports from facilities with NPDES permits due.
Feb. 1 to April 1:
Limitation on land applying liquid manure from confinement sites on frozen ground.
Mar. 1:
Commercial Manure Application Renewals due (annual).
Mar. 1:
Confinement Manure Application Renewals due (for renewal after certification expired 12/31 of the previous year).
Dec. 21 to April 1:
Limitation on land applying liquid manure from confinement sites on snow-covered ground.