(1) The owner shall operate and maintain the LOSS according to:

(a) The requirements in this chapter;

(b) The current operating permit issued by the department, including all conditions and requirements of the operating permit; and

(c) LOSS operating procedures such as those described in department guidance, texts, handbooks, and manuals.

(2) The owner shall maintain financial resources sufficient for O&M of the LOSS including, but not limited to:

(a) Creating and continuously funding operating and reserve accounts;

(b) Setting and adjusting fees and rates for connections, monthly service charges, charges for routine and emergency repairs; and

(c) Establishing a process to collect on delinquent accounts or disconnect customers.

(3) The owner shall respond to customer concerns and service complaints in a timely manner.

(4) The owner shall not install or maintain a bypass to divert sewage or partially treated sewage around any feature of the treatment process, unless approved in writing by the department.

(5) The owner shall not allow substances listed in WAC 246-272B-06000 to enter into the LOSS collection system or any other LOSS component.

(6) The owner shall conduct reliable and representative monitoring following operating permit conditions and requirements, and provide results to the department.

(7) As required in the operating permit, samples must be analyzed by an accredited laboratory, according to chapter 173-50 WAC, Accreditation of environmental laboratories.

(8) O&M data must be available to the department and a third-party guarantor, if any.

(9) The owner shall use reasonable security measures to protect the LOSS treatment processes and components, including the soil profile, from possible damage or harm by unauthorized persons, vehicles, animals, vegetation, or other sources.