US Long-Term Ecological Research Network
Intervention_Category: Regulation/Standard; Intervention_Subcategory: agricultural; Ag1_NonAg2_Both3: 1; Rulemaking_Agenc_.Level: Federal, State; Implementing_Agency_Level: State, County; Promulgating_Policies: 33 U.S.C. Section 1342; 40 C.F.R. PART 122 (USEPA Administered Permit Programs)(122.23 NPDES CAFOs); part 123 (State Program Requirements); WI Stat. 281, 283, WI NR 243 Animal Feeding Operations; Short_Intervention_Description: The Clean Water Act and Wisconin Code Ch. NR 243 regulate manure management on concentrated animal feeding operations (CAFOs). A CAFO is defined as any livestock or poultry operation with 1,000 or more animal units (1,000 animal units is approximately 700 mature dairy cows).; Intervention_area_ha: 659.8383; Data_Sources: WI DNR WPDES website:; accessed August 2012. Google Earth.; Mapping_Rationale: Approximate locations of all CAFO parcels by parcel ownership. Includes rowcrop field parcels where data available.
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