Oregon Constitution Art. XI-H § 1

(1) To provide funds to be advanced, by contract, grant, loan or otherwise, to any municipal corporation, city, county or agency of the State of Oregon, or combinations thereof, for the purpose of planning, acquisition, construction, alteration or improvement of facilities for or activities related to, the collection, treatment, dilution and disposal of all forms of waste in or upon the air, water and lands of this state; and

(2) To provide funds for the acquisition, by purchase, loan or otherwise, of bonds, notes or other obligations of any municipal corporation, city, county or agency of the State of Oregon, or combinations thereof, issued or made for the purposes of subsection (1) of this section.