716B.4  Unlawful treatment or storage of hazardous waste — penalties.
  1.  A person commits the offense of unlawful treatment or storage of hazardous waste when the person knowingly or with reason to know, treats or stores hazardous waste without a permit issued pursuant to 42 U.S.C. §6925 or §6926.
  2.  a.  A person who commits the offense of unlawful treatment or storage of hazardous waste is guilty of an aggravated misdemeanor and upon conviction shall be punished by a fine of not more than twenty-five thousand dollars for each day of violation or imprisonment for not more than two years, or both.
  b.  If the conviction is for a violation committed after a first conviction under this section, the person is guilty of a class “D” felony and shall be punished by a fine of not more than fifty thousand dollars for each day of violation or imprisonment for not more than five years, or both.
88 Acts, ch 1080, §6; 2013 Acts, ch 90, §200