OAR 340-071-0155: Existing System Evaluation Report

(1) An evaluation of an existing onsite wastewater treatment system must meet the following requirements: (a) An evaluation must be performed by a person with one or more of the qualifications listed below: (A) Professional Engineer under ORS chapter 672 with knowledge and experience inspecting onsite systems; (B) Registered Environmental Health Specialist or Wastewater Specialist under ORS chapter 700 with knowledge and experience inspecting onsite systems; (C) A certified installer with knowledge and experience inspecting onsite systems; (D) A certified maintenance provider with knowledge and experience inspecting onsite systems; (E) A current NAWT inspector training and certification accreditation with a sewage disposal service license; (F) Other similar license or certification DEQ approves. (b) An evaluation must include the following: (A) An examination of the records available on the existing system, including all permit records and pumping and other maintenance records. (B) For existing systems without a permit record, the inspector must create a record to document system materials, components, and location. Methods used to create the record may include the use of soil probes, metal detectors, electronic pipe tracers, radio and video technology, and uncovering system components. (C) A field inspection of the existing system. (D) A report of findings on a DEQ-approved form including the information obtained relevant to system performance, such as age; usage; records of installation, maintenance, and repairs; type, size, capacity, and condition of components; evidence of any failures; other relevant information, such as condition of repair area if known; and a complete sketch of the system showing location and distances of major components. (E) The evaluation must include all portions of the system that serve the facility, including any portion located on a lot or parcel different from the lot or parcel on which the facility the system serves is located. (2) A person may not conduct an existing system evaluation required by this rule unless the person meets the qualifications in subsection (1)(a) of this rule prior to conducting the evaluation. (3) Any person may request an agent to provide an evaluation report on an existing onsite wastewater treatment system. (4) A completed application form must be submitted to the agent with all necessary exhibits and the existing system evaluation fee in OAR 340-071-0140(2).