Iowa Code Title XVI. Criminal Law and Procedure [Chs. 687-916] § 716B.4. Unlawful treatment or storage of hazardous waste--penalties

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.