CAFO and CAFO WPDES permit statistics

Wisconsin is home to an increasing number of Concentrated Animal Feeding Operations (CAFOs). The Department of Natural Resources is pleased to offer you easy access to statistics and geographical information about Wisconsin's CAFOs and the applicable Wisconsin Pollutant Discharge Elimination System (WPDES) permits.

Wisconsin CAFO WPDES permit information

• Searchable database of CAFO WPDES permittees – search, filter and download information about CAFO permitted operations by county, animal type, and geographic region.
• Wisconsin CAFO WPDES permits summary
• Map of WPDES permitted CAFOs [PDF] – the points on the map are an approximation of the operation’s main farm location. Satellite operations covered under the permit are not included.

U.S. Environmental Protection Agency CAFO and NPDES information

• Federal NPDES Regulations for Animal Feeding Operations

U.S. Department of Agriculture National Agricultural Statistics Service (NASS)

• Wisconsin statistics [exit DNR]