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COLORADO RIVER COMPACT

1922

The cornerstone of the "Law of the River", this Compact was negotiated by the seven Colorado River Basin states and the federal government in 1922. It defined the relationship between the upper basin states, where most of the river's water supply originates, and the lower basin states, where most of the water demands were developing. At the time, the upper basin states were concerned that plans for Hoover Dam and other water development projects in the lower basin would, under the Western water law doctrine of prior appropriation, deprive them of their ability to use the river's flows in the future.


The states could not agree on how the waters of the Colorado River Basin should be allocated among them, so the Secretary of Commerce Herbert Hoover suggested the basin be divided into an upper and lower half, with each basin having the right to develop and use 7.5 million acre-feet (maf) of river water annually. This approach reserved water for future upper basin development and allowed planning and development in the lower basin to proceed.

UPPER COLORADO RIVER COMPACT

1948

The major purposes of this Compact are to provide for the equitable division and apportionment of the use of the waters of the Colorado River System, the use of which was apportioned in perpetuity to the Upper Basin by the Colorado River Compact; to establish the obligations of each State of the Upper Division with respect to the deliveries of water required to be made at Lee Ferry by the Colorado River Compact; to promote interstate comity; to remove causes of present and future controversies; to secure the expeditious agricultural and industrial development of the Upper Basin, the storage of water and to protect life and property from floods

COLORADO RIVER STORAGE PROJECT

1956

Provided a comprehensive Upper Basin-wide water resource development plan and authorized the construction of Glen Canyon, Flaming Gorge, Navajo and Curecanti dams for river regulation and power production, as well as several projects for irrigation and other uses.

RECORD OF DECISION - OPERATION OF FLAMING GORGE RESERVOIR

2006

The EIS describes the potential effects of modifying the operation of Flaming Gorge Dam to assist in the recovery of four endangered fish, and their critical habitat, downstream from the dam.

JAMES LOCHHEAD LETTER BRIEFING SECRETARY OF INTERIOR SALAZAR

2006

Provides an overview of Project Need, Project Description, Environmental Impacts, and Compact Issues

USBR LETTER TO UPPER COLORADO RIVER COMMISSION

2007

The United States Bureau of Reclamation identified 165,000 acre-feet of water available in the Flaming Gorge/Green River system by utilizing the recent Record of Decision and subtracting all potential consumptive uses to identify available surpluses in the system.

STATEWIDE WATER SUPPLY INITIATIVE

2010

The State of Colorado has identified that population growth will drive a significant need for additional water to meet future municipal and industrial (M&I) demands. Through the Statewide Water Supply Initiative (SWSI), which provided a comprehensive identification of Colorado’s current and future water needs, the CWCB initially projected water demands to the year 2030 and estimated that Colorado would need an additional 630,000 acre feet (AF) of water for M&I use by 2030 to meet needs with passive conservation included.

COLORADO'S WATER PLAN

2015

This plan is a roadmap that leads to a productive economy, vibrant and sustainable cities, productive agriculture, a strong environment, and a robust recreation industry. It sets forth the measurable objectives, goals, and actions by which Colorado will address its projected future water needs and measure its progress—all built on our shared values. Just as it was created, this plan will be implemented by working collaboratively with the basin roundtables, local governments, water providers, other stakeholders, and the general public. It includes a set of policies and actions that all Coloradans and their elected officials can support and help implement.