Oregon Revised Statutes Public Health and Safety § 431.730

(1) At the hearing on the resolution, any interested person shall be given a reasonable opportunity to be heard or to present written statements. The hearing shall be for the sole purpose of determining whether a danger to public health exists due to conditions in the affected territory and whether such conditions could be removed or alleviated by the provision of service facilities. Hearings under this section shall be conducted by an administrative law judge assigned from the Office of Administrative Hearings established under ORS 183.605. It shall be conducted in accordance with the provisions of ORS chapter 183. The Oregon Health Authority shall publish a notice of the issuance of said findings and recommendations in the newspaper utilized for the notice of hearing under ORS 431.725 (2) advising of the opportunity for presentation of a petition under subsection (2) of this section.

(2) Within 15 days after the publication of notice of issuance of findings in accordance with subsection (1) of this section, any person who may be affected by the findings, or the affected district, may petition the Director of the Oregon Health Authority according to rules of the authority to present written or oral arguments relative to the proposal. If a petition is received, the director may set a time and place for receipt of argument.