For facilities that have been determined by the RGU to be a pollution hazard or facilities with more than 300 animal units planning to apply manure on any one of the following:
The table below outlines the requirements for Interim permits by animal unit category of feedlots and if an operation is considered a pasture:
Feedlot rules - Interim Permit
Pasture or grazing with no open lots
Less than 10
Not required unless a pollution hazard has been determined.
10 to 50
300-999 (existing feedlot)
Required if a pollution hazard exists, or if the manure or process wastewater of 300 or more animal units is to be applied:
300-999 (expansion or new construction)
1,000 or more
Not required, if construction is occurring at this level, a general or individual NPDES permit will be required.