The stockpiled tires also collect water and can be breeding grounds for mosquitoes and vermin. Finally, they are objectionable on aesthetic grounds. Such tires must be disposed of at tire collection centers or used for one of 12 allowed purposes, such as retreading or the construction of collision barriers. Ariz. Rev. Stat. Ariz. Rev. Stat.
Retailers can dispose of scrap tires at waste tire collection centers without charge.
The fee goes into a state fund. The remainder is distributed to counties in proportion to their share of the vehicle registrations in the state. Counties with fewer than 400,000 people can join with other counties to perform these duties. Ariz. Rev. Stat. There are currently approximately 30 tire collection and processing centers in the state.