415 ILCS 10/1.1

It is the purpose of this Act and the policy of this State to protect the public health and welfare and the quality of the environment by providing local governments with the ability to properly dispose of solid waste within their jurisdictions by preparing and implementing, either individually or jointly, solid waste management plans for the disposal of solid waste and, to the extent technically and economically feasible, to efficiently use products or by-products generated during the disposal process.