A dry bedded confinement feeding operation shall retain all dry bedded manure produced by the operation between periods of dry bedded manure application. For purposes of this section , dry bedded manure may be retained by stockpiling as provided in this chapter . A dry bedded confinement feeding operation shall not discharge dry bedded manure directly into water of the state or into a tile line that discharges directly into water of the state. 2009 Acts, ch 155, §12, 18