70.06 IMPOUNDING VEHICLES.
A peace officer is hereby authorized to remove, or cause to be removed, a vehicle from a street, public alley, public parking lot or highway to the nearest garage or other place of safety, or to a garage designated or maintained by the City, under the circumstances hereinafter enumerated:
1.   Disabled Vehicle. When a vehicle is so disabled as to constitute an obstruction to traffic and the person or persons in charge of the vehicle are by reason of physical injury incapacitated to such an extent as to be unable to provide for its custody or removal.
(Code of Iowa, Sec. 321.236 [1])
2.   Illegally Parked Vehicle. When any vehicle is left unattended and is so illegally parked as to constitute a definite hazard or obstruction to the normal movement of traffic.
(Code of Iowa, Sec. 321.236 [1])
3.   Snow Removal. When any vehicle is left parked in violation of a ban on parking during snow removal operations.
4.   Parked Over Limited Time Period. When any vehicle is left parked for a continuous period in violation of any limited parking time. If the owner can be located, the owner shall be given an opportunity to remove the vehicle.
(Code of Iowa, Sec. 321.236[1])
5.   Overdue Parking Citations. When any vehicle has accumulated 3 or more parking citations where payment of such is 30 or more days overdue.
6.   Costs. In addition to the standard penalties provided, the owner or driver of any vehicle impounded for the violation of any of the provisions of this chapter shall be required to pay the reasonable cost of towing and storage.
(Code of Iowa, Sec. 321.236 [1])