; (ii) property titles and responsibilities of each participating proratable irrigation entity for the maintenance of, and liability for, all infrastructure constructed under title XII of Public Law 103–434 (108 Stat. 4550; 114 Stat. 1425); (iii) operation and integration of the projects by the Secretary in the operation of the Yakima Project; and (iv) costs associated with the design, financing, construction, operation, maintenance, and mitigation of projects, with the costs of Federal oversight and review to be nonreimbursable to the participating proratable irrigation entities and the Yakima Project. (B) Treatment A facility developed or operated by a participating proratable irrigation entity under this subsection shall not be considered to be a supplemental work for purposes of section 9(a) of the Reclamation Project Act of 1939 ( 43 U.S.C. 485h(a) ). (2) Kachess Reservoir (A) In general Any additional stored water made available by the construction of a facility to access and deliver inactive and natural storage in Kachess Lake and Reservoir under this subsection— (i) shall be considered to be Yakima Project water