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| Colorado River Storage Project Act (1956) | |
|---|---|
| Name | Colorado River Storage Project Act |
| Enacted | April 11, 1956 |
| Enacted by | 84th United States Congress |
| Public law | Public Law 84–485 |
| Signed by | Dwight D. Eisenhower |
| Related legislation | Boulder Canyon Project Act, Reclamation Act of 1902, Wichita River Compact |
Colorado River Storage Project Act (1956) The Colorado River Storage Project Act of 1956 authorized a multipart development of storage and power facilities on the Colorado River and its tributaries to regulate flow, furnish hydroelectric power, and support irrigation for states in the Upper Colorado River Basin. Enacted by the 84th United States Congress and signed into law by President Dwight D. Eisenhower, the Act built on precedent from the Reclamation Act of 1902 and the Boulder Canyon Project Act while intersecting with water allocation frameworks such as the Colorado River Compact and the Upper Colorado River Basin Compact.
The Act emerged amid post‑World War II infrastructure expansion driven by proponents including the Bureau of Reclamation, advocates in state legislatures such as Utah State Legislature, Colorado General Assembly, and federal figures like Secretary of the Interior Douglas McKay and Senator Bennett Champ Clark. Congressional debate referenced prior federal projects including Hoover Dam, Glen Canyon Dam proposals, and regional planning studies conducted by the Western Governors' Conference and the National Resources Committee. The legal and political context involved interaction with the Colorado River Compact (1922), the Mexican Water Treaty (1944), and litigation exemplified by cases before the United States Supreme Court and the Tenth Circuit Court of Appeals.
The Act authorized construction, operation, and maintenance of multiple storage units administered by the Bureau of Reclamation with powers drawn from statutes codified in United States Code, and required coordination with agencies such as the Federal Power Commission and the United States Army Corps of Engineers. It specified allocations for irrigation districts, municipal users such as the City and County of Denver Water Board, and power purchasers including the Western Area Power Administration predecessor entities. The legislation included provisions on water delivery priorities recognized by the Secretary of the Interior and incorporated mechanisms referencing the Upper Colorado River Basin Compact and the Lower Colorado River Commission for interstate coordination.
The Act authorized major facilities including Glen Canyon Dam, Flaming Gorge Dam, Navajo Dam, Aspen Reservoir proposals, and the Curecanti Unit complex (including Blue Mesa Dam, Morrow Point Dam, and Crystal Dam) on tributaries like the Green River and San Juan River. It also provided for powerplants and transmission projects linked to entities such as the Bonneville Power Administration and municipal providers like the Salt River Project. Associated facilities involved reservoir operations that influenced downstream works such as Hoover Dam, Lake Powell, and storage coordination with Morelos Dam under United States–Mexico water agreements.
Funding mechanisms combined federal appropriations authorized by the Congress of the United States, power repayment obligations overseen by the Bureau of Reclamation, and cost allocation formulas negotiated with state water districts such as the Central Utah Water Conservancy District and the Colorado River Water Conservation District. Administration involved federal statutes including appropriations acts debated in the Senate Committee on Interior and Insular Affairs and the House Committee on Public Works, with fiscal oversight linked to the General Accounting Office (now Government Accountability Office). Power marketing arrangements anticipated participation by regional utilities including the Western Area Power Administration and municipal systems like Los Angeles Department of Water and Power.
Construction and operation affected landscapes managed by agencies such as the National Park Service, United States Fish and Wildlife Service, and the U.S. Forest Service, prompting conflict with conservation organizations including the Sierra Club and the The Wilderness Society. Impacts included inundation of canyons and cultural sites linked to indigenous nations like the Navajo Nation, Ute Mountain Ute Tribe, and Hopi Tribe; these effects intersected with laws such as the National Historic Preservation Act and the Endangered Species Act’s precursors. Recreation economies centered on reservoirs like Lake Powell and Flaming Gorge Reservoir grew, while fisheries and riparian habitats along rivers like the Green River and San Juan River experienced alteration.
Litigation and negotiation implicated the Supreme Court of the United States, interstate bodies formed under the Colorado River Compact, and parties such as the State of Arizona, State of California, State of Utah, State of New Mexico, and State of Colorado. Conflicts over water rights referenced cases like Arizona v. California and led to administrative adjudication by the Office of the Solicitor (DOI). The Act’s allocation and storage rules required harmonization with compacts including the Upper Basin–Lower Basin allocations and influenced interstate compacts such as the Upper Colorado River Basin Compact.
The Act shaped mid‑20th century western development, informing subsequent legislation and projects administered by the Bureau of Reclamation, influencing environmental law precedents involving the National Environmental Policy Act, and affecting urban growth in metropolitan systems like the Metropolitan Water District of Southern California and Salt Lake City. Its legacy includes the creation of large reservoirs such as Lake Powell, the expansion of hydroelectric power markets, and the entrenchment of multistate water management institutions including the Colorado River Board of California and the Upper Colorado River Commission. Debates initiated by the Act continue in contexts involving climate change impacts on the Colorado River Basin and renegotiation of interstate and international water agreements.
Category:United States federal public land legislation Category:Water law in the United States Category:Colorado River