Oregon Revised Statutes Public Health and Safety § 448.175

(1) Shall require that the water suppliers give public notice of violations in the water system.

(2) May refuse to allow expansion of or additional connections to a water system until the water system meets water quality standards and requirements.

(3) May enter an order requiring a water supplier to acquire or construct a water system that provides water that meets the authority's standards. When the order requires a city to acquire a water system, the system must have the majority of its facilities within the city's adopted urban growth boundary. When the order is entered upon a city, the procedure described in ORS 454.235 to 454.255 shall be followed.

(4) May enter an order requiring a water supplier that fails to comply with the schedule prescribed under ORS 448.140 to cease operation of the water system.