4.2.9
An operation and maintenance manual that is consistent with the provisions in Volume II, Chapter 7 shall be provided for proposed runoff treatment and flow control BMPs. The party (or parties) responsible for maintenance and operation shall be identified in the operation and maintenance manual. At private facilities, a copy of the operation and maintenance manual shall be retained on site or within reasonable access to the site and shall be transferred with the property to the new owner. For public facilities, a copy of the operation and maintenance manual shall be retained in the appropriate department. A log of maintenance activity that indicates what actions were taken shall be kept and be available for inspection by the County.
Maintenance requirements for individual BMPs are also provided in Volume II, Chapter 5. Volumes II, III, and V of the Ecology Manual include sections on maintenance. Volume V, Appendix V‑A of the Ecology Manual includes a schedule of maintenance standards for runoff treatment and flow control BMPs.