1. A person stockpiling dry manure shall comply with applicable requirements of the national pollutant discharge elimination system pursuant to the federal Water Pollution Control Act, 33 U.S.C. ch. 26, as amended, and 40 C.F.R. pts. 122 and 412.
2. A person stockpiling dry manure shall remove the dry manure and apply it in accordance with the provisions of this chapter, including but not limited to section 459.311, within six months after the dry manure is first stockpiled.