ORS 448.295: Jurisdiction of cities over property used for system or sources.

Subject to the authority of the Oregon Health Authority, for the purpose of protecting from pollution their domestic water supply sources, cities shall have jurisdiction over all property:

      (1) Occupied by the distribution system or by the domestic water supply sources by and from which the city or any person or corporation provides water to the inhabitants of the city.

      (2) Acquired, owned or occupied for the purpose of preserving or protecting the purity of the domestic water supply source.

      (3) Acquired, owned or occupied by cities within the areas draining into the domestic water supply sources.