Okla. Stat. tit. 11, § 11-37-102: General powers as to waterworks and water supply

The municipal governing body may purchase, erect, lease, rent,

manage, and maintain any system or part of a system of waterworks

and water supply. It may establish and alter the channels of

watercourses and may establish and regulate wells, cisterns,

aqueducts, and reservoirs of water. The governing body may pass all

ordinances, penal or otherwise, that are necessary and proper for

the full protection, maintenance, management, and control of said

facilities, may make provisions for taxes for these purposes, and

may do all things necessary and proper in its discretion to exercise

the powers authorized by the Constitution and laws of this state and

to further the ability of the municipality to provide water

supplies, services, and facilities.