Oregon Revised Statutes Public Organizations for Community Service § 261.405

(1) The management of a people's utility district shall be vested in a board of five directors.

(2) Upon formation of a district, annexation, consolidation, merger and after each decennial United States Census, the board of directors shall by ordinance divide the district into five subdivisions, as nearly equal in population as possible, and where practicable fix the boundaries in conformance with adjacent precinct boundaries. One director shall be elected from each of the five subdivisions.

(3) Directors shall be electors, shall reside in the subdivision from which they are respectively nominated and elected and shall have resided in the district continuously for two years immediately preceding the date of their election as directors.