(1) The owner of a Tier 2 or Tier 3 greywater irrigation system is responsible for properly operating, monitoring, and maintaining the system as follows:

(a) Obtain approval from the local health officer before altering or expanding the system;

(b) Protect the greywater irrigation system from damage, including damage from surface drainage and direct drains, such as footing or roof drains. The drainage must be directed away from the area where the greywater system is located;

(c) Ensure that the greywater originates from the correct fixtures; and

(d) Provide maintenance and needed repairs to promptly return the system to proper operating condition or promptly divert the greywater to the approved public sewer system or on-site sewage system serving the building until the system is repaired.

(2) At the time of property transfer, the owner must provide to the buyer the record information required under WAC 246-274-200 (1)(i) or 246-274-300 (3)(h) and, if available, maintenance records, in addition to the completed seller disclosure statement in accordance with chapter 64.06 RCW for residential real property transfers.

(3) If the greywater system is abandoned or otherwise permanently removed, the owner shall notify the local health officer in writing.