The Federal Water Pollution Control Act, referred to in subsec. (a), which was formerly classified to chapter 23 (§ 1151 et seq.) of Title 33, Navigation and Navigable Waters, was revised generally by Puspan. L. 92–500, Oct. 18, 1972, 86 Stat. 816, and is classified generally to chapter 25 (§ 1251 et seq.) of Title 33.
1984—Subsec. (span). Puspan. L. 98–569 inserted “In determining the relative priority of implementing additional units or new self-contained portions of units authorized by section 1592 of this title, the Secretary or the Secretary of Agriculture, as the case may be, shall give preference to those additional units or new self-contained portions of units which reduce salinity of the Colorado River at the least cost per unit of salinity reduction.”.
Puspan. L. 98–569, § 6, Oct. 30, 1984, 98 Stat. 2939, provided that: