Oregon Revised Statutes Utility Regulation § 757.063

(1) Any association of individuals that furnishes water to members of the association is subject to regulation in the same manner as provided by this chapter for public utilities, and must pay the fee provided for in ORS 756.310, if 20 percent or more of the members of the association file a petition with the Public Utility Commission requesting that the association be subject to such regulation.

(2) The provisions of this section apply to an association of individuals even if the association does not furnish water directly to or for the public. The provisions of this section do not apply to any cooperative formed under ORS chapter 62 or to any public body as defined by ORS 174.109.