Public Law 90–537, referred to in subsec. (a)(5), is act Sept. 30, 1968, 82 Stat. 885, popularly known as the “Colorado River Basin Project Act”, which is classified principally to chapter 32 (§ 1501 et seq.) of this title. For complete classification of this Act to the Code, see Short Title note set out under section 1501 of this title and Tables.

Public Law 84–485, referred to in subsec. (a)(5), is act Apr. 11, 1956, ch. 203, 70 Stat. 105, popularly known as the “Colorado River Storage Project Act”, which is classified to chapter 12B (§ 620 et seq.) of this title. For complete classification of this Act to the Code, see Short Title note set out under section 620 of this title and Tables.

The Reclamation Act of 1902, referred to in subsec. (a)(5), probably means act June 17, 1902, ch. 1093, 32 Stat. 388, popularly known as the Reclamation Act, which is classified generally to chapter 12 (§ 371 et seq.) of this title. For complete classification of this Act to the Code, see Short Title note set out under section 371 of this title and Tables.

The Food Security Act of 1985, referred to in subsec. (c), is Pub. L. 99–198, Dec. 23, 1985, 99 Stat. 1354. Subchapter A of chapter 4 of subtitle D of title XII of the Act is classified generally to subpart A (§ 3839aa et seq.) of part IV of subchapter IV of chapter 58 of Title 16, Conservation. For complete classification of this Act to the Code, see Short Title of 1985 Amendment note set out under section 1281 of Title 7, Agriculture, and Tables.

Pub. L. 110–234 and Pub. L. 110–246 made identical amendments to this section. The amendments by Pub. L. 110–234 were repealed by section 4(a) of Pub. L. 110–246.

2018—Subsec. (c). Pub. L. 115–334 inserted “subchapter A of” before “chapter 4”.

2008—Subsec. (a). Pub. L. 110–246, § 2806(b)(1)(A), which directed substitution of “programs” for “program” in introductory provisions, was executed by making the substitution the first time appearing to reflect the probable intent of Congress.

Subsec. (a)(7). Pub. L. 110–246, § 2806(a), added par. (7).

Subsec. (b)(4). Pub. L. 110–246, § 2806(b)(1)(B), substituted “programs” for “program” and “(6), and (7)” for “and (6)”.

1996—Subsec. (c). Pub. L. 104–127 added subsec. (c) and struck out former subsec. (c) which authorized establishment of a voluntary cooperative salinity control program with landowners to improve on-farm water management and reduce watershed erosion on certain lands.

1995—Subsec. (a). Pub. L. 104–20, § 1(1), inserted “and salinity control program” after “the following salinity control units” and substituted colon for period in introductory provisions and added par. (6).

Subsec. (b)(4). Pub. L. 104–20, § 1(4), substituted “or the program pursuant to paragraphs (1), (2), (3), (4), (5), and (6)” for “pursuant to paragraphs (1), (2), (3), (4), and (5)”.

1984—Subsec. (a). Pub. L. 98–569, § 2(a), designated existing provisions as subsec. (a).

Subsec. (a)(1). Pub. L. 98–569, § 2(b)(1), inserted “, and consisting of measures to replace incidental fish and wildlife values foregone” at the end thereof.

Subsec. (a)(2). Pub. L. 98–569, § 2(b)(2), inserted “replacing canals and laterals with pipe,” after “canals and laterals” and inserted “implementing other measures to reduce salt contributions from the Grand Valley to the Colorado River, and implementing measures to replace incidental fish and wildlife values foregone” after “efficient facilities” in second sentence.

Pub. L. 98–569, § 2(b)(3), inserted “, or portions thereof,” after “Grand Valley unit”, substituted “non-Federal entities” for “agencies”, inserted “or portions thereof,” after “water distribution systems” and substituted “the obligations specified in subsection (b)(2)” for “all obligations” in third sentence.

Pub. L. 98–569, § 2(b)(4), struck out “The Secretary is also authorized to provide, as an element of the Grand Valley unit, for a technical staff to provide information and assistance to water users on means and measures for limiting excess water applications to irrigated lands: Provided, That such assistance shall not exceed a period of five years after funds first become available under this subchapter. The Secretary will enter into agreements with the Secretary of Agriculture to develop a unified control plan for the Grand Valley unit. The Secretary of Agriculture is directed to cooperate in the planning and construction of on-farm system measures under programs available to that Department.”

Subsec. (a)(3). Pub. L. 98–569, § 2(b)(5), redesignated par. (4) as (3). Former par. (3), which related to the Crystal Geyser unit in Utah, was struck out.

Pub. L. 98–569, § 2(b)(6), substituted “, and consisting of measures to replace incidental fish and wildlife values foregone.” for the period at the end thereof.

Subsec. (a)(4). Pub. L. 98–569, § 2(b)(7), added par. (4). Former par. (4) redesignated (3).

Subsec. (a)(5). Pub. L. 98–569, § 2(b)(7), added par. (5).

Subsecs. (b), (c). Pub. L. 98–569, § 2(c), added subsecs. (b) and (c).

Amendment of this section and repeal of Pub. L. 110–234 by Pub. L. 110–246 effective May 22, 2008, the date of enactment of Pub. L. 110–234, see section 4 of Pub. L. 110–246, set out as an Effective Date note under section 8701 of Title 7, Agriculture.

Amendment by Pub. L. 98–569 effective Oct. 30, 1984, see section 6 of Pub. L. 98–569, set out as a note under section 1591 of this title.