OAR 860-036-1850
OAR 860-036-1850. Exclusive Obligation to Serve
(1) A water utility has an obligation to serve all applicants for service within its designated territory and may only refuse service as provided in OAR 860-036-1270.
(2) A water utility or community water supply system may not provide water utility service within an approved exclusive service territory of another water utility without the express approval of the Commission.