It is the purpose of this subchapter and it is declared to be the policy of this state to regulate the collection and disposal of solid wastes in a manner that will:
(1) Protect the public health and welfare;
(2) Prevent water or air pollution;
(3) Prevent the spread of disease and the creation of nuisances;
(4) Conserve natural resources; and
(5) Enhance the beauty and quality of the environment.