1. Short title This Act may be cited as the Colorado River Salinity Control Fix Act . 2. Salinity control units Section 205 of the Colorado River Basin Salinity Control Act ( 43 U.S.C. 1595 ) is amended— (1) by striking the section designation and all that follows through (a) The Secretary and inserting the following: 205. Salinity control units; authority and functions of the Secretary of the Interior (a) Allocation of Costs The Secretary ; (2) by striking paragraph (1) and inserting the following: (1) Nonreimbursable costs; reimbursable costs (A) Nonreimbursable costs (i) In general In recognition of Federal responsibility for the Colorado River as an interstate stream and for international comity with Mexico, Federal ownership of the land of the Colorado River Basin from which most of the dissolved salts originate, and the policy established in the Federal Water Pollution Control Act ( 33 U.S.C. 1251 et seq. ) and except as provided in clause (ii), the following shall be nonreimbursable: (I) 75 percent of the total costs of construction and replacement of each unit or separable feature of a unit authorized by section 202(a)(1), including 90 percent of— (aa) the costs of operation and maintenance of each unit or separable feature of a unit authorized by that section; and (bb) the total costs of construction, operation, and maintenance of the associated measures to replace incidental fish and wildlife values foregone. (II) 75 percent of the total costs of construction and replacement of each unit or separable feature of a unit authorized by section 202(a)(2), including 100 percent of— (aa) the costs of operation and maintenance of each unit or separable feature of a unit authorized by that section