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Minnesota Pollution Control Agency Feedlot Program Feedlot Rule Summary, February 2001 soil construction is to minimize hydraulic • Permit number, if applicable conductivity and soil compressibility, and to eliminate • Owner's name, and the name of the facility, if secondary features such as clod and lift interfaces and different than the owner desiccation cracks. This is more complex than simply • Site location by county,township, section, and constructing to achieve a specified soil density. quarter section • Name of the contractor responsible for installing Remolding the soil and eliminating clods may require the permanent stockpile liner increasing the equipment weight,thereby increasing the compactive energy. To eliminate lift interfaces, it is important to scarify the surface of previously For More Information compacted lifts prior to placement of the next lift, and For more information about the revised feedlot rule or to have deep-footed rollers which penetrate into this to download a copy of the revised rule, log onto the previous lift. Protection from cracking or desiccation MPCA website at: of the in-place pad may require periodic moistening of http://www.pca.state.mn.us/hot/feedlot-rules.html. the in-place floor on a hot, dry day or reworking the previous lift prior to placement of the next lift. Or, for information call your area office listed on the first page of this fact sheet and ask for the feedlot The liner must have a completed thickness of at least officer, or call the Feedlot Service Center toll-free at two feet and be constructed so that the hydraulic (877)333-3508. conductivity is 10"7 cm/sec or less after construction. If other liner materials are used,a 10-7 cm/sec conductivity must be achieved. Other Considerations The site must be constructed using diversion structures, elevated platform construction,or other devices to prevent surface waters from entering and passing through the stockpile site. Where upgradient slopes are greater than two percent, clean water diversions must be constructed that surround at least the three upgradient sides of the stockpile site. Diversions must be of sufficient height to prevent outside water from passing over them during snowmelt or rainfall events less than the 25-year,24- hour storm event. A permanent stockpile site must be operated and maintained in a manner so as to protect the integrity and structural reliability of the manure storage area. An owner should notify the MPCA or county feedlot officer of intent to construction a minimum of three days prior to commencement of construction and within three days following completion of construction. Notification must be completed by letter,telephone, or facsimile and include: Stockpiling of Manure Page 4