Oregon Revised Statutes Water Resources: Irrigation, Drainage, Flood Control, Reclamation § 553.020

(1) Water control districts may be created as provided in this chapter for the purpose of acquiring, purchasing, constructing, improving, operating and maintaining drainage, irrigation, and flood and surface water control works in order to prevent damage and destruction of life and property by floods, to improve the agricultural and other uses of lands, and to improve the public health, welfare and safety.

(2) A water control district, organized for one or more of the purposes provided by subsection (1) of this section, may also acquire, purchase, construct, improve, operate and maintain works and facilities for the secondary purposes of domestic, municipal and industrial water, recreation, wildlife, fish life and water quality enhancement. However, a water control district may not be created solely for one or more of the purposes provided by this subsection.