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Historical Timeline



MilestoneFilter
1902Use SHIFT+ENTER to open the menu (new window).
The Reclamation Act passed creating the United States Reclamation Service, which later became the Bureau of Reclamation
1922Use SHIFT+ENTER to open the menu (new window).
Laramie River Equitable Agreement; sets limits on Colorado diversions
1922Use SHIFT+ENTER to open the menu (new window).
1923Use SHIFT+ENTER to open the menu (new window).
1928Use SHIFT+ENTER to open the menu (new window).
The Boulder Canyon Act authorizes the construction of the Hoover Dam
1937Use SHIFT+ENTER to open the menu (new window).
1937Use SHIFT+ENTER to open the menu (new window).
The Colorado-Big Thompson Project authorized
1938Use SHIFT+ENTER to open the menu (new window).
1939Use SHIFT+ENTER to open the menu (new window).
Sand Creek Administrative Agreement; allocates water between Wyoming and Colorado
1942Use SHIFT+ENTER to open the menu (new window).
1944Use SHIFT+ENTER to open the menu (new window).
1944Use SHIFT+ENTER to open the menu (new window).
U.S. Mexico Treaty; guarantees delivery of 1.5 million acre-feet to Colorado River water annually
1945Use SHIFT+ENTER to open the menu (new window).
Two additional Board members added, bringing total to 14 and term limits enacted
1945Use SHIFT+ENTER to open the menu (new window).
North Platte River Equitable Apportionment Decree; sets limits for irrigation and exports from the North Platte
1947Use SHIFT+ENTER to open the menu (new window).
The Colorado-Big Thompson Project is completed, a transmountain water diversion moving water from the Colorado River to the eastern slope
1948Use SHIFT+ENTER to open the menu (new window).
1948Use SHIFT+ENTER to open the menu (new window).
1951Use SHIFT+ENTER to open the menu (new window).
The General Assembly Weather Control Act claims right to natural and artificial precipitation
1956Use SHIFT+ENTER to open the menu (new window).
The Colorado River Storage Project is approved, authorizing construction of Glen Canyon, Flaming Gorge, Cuerecanti and Navajo dams
1962Use SHIFT+ENTER to open the menu (new window).
The Frying Pan-Arkansas Project is authorized
1965Use SHIFT+ENTER to open the menu (new window).
The Cherry Creek flood causes damage in Denver
1965Use SHIFT+ENTER to open the menu (new window).
The Groundwater Management Act is passed
1966Use SHIFT+ENTER to open the menu (new window).
The Floodplain Designation Program is created to authorize CWCB to designate and approve floodplains in the state
1967Use SHIFT+ENTER to open the menu (new window).
Board membership changes, as Governor no longer a Board member and Natural Resources Coordinator added
1968Use SHIFT+ENTER to open the menu (new window).
The Department of Natural Resources (DNR) is created and the DNR Executive Director becomes a Board member, while the Director of the Colorado State Planning Commission is removed
1968Use SHIFT+ENTER to open the menu (new window).
The CWCB becomes a division within DNR
1968Use SHIFT+ENTER to open the menu (new window).
Animas-La Plata Compact; assures New Mexico priority to use water delivered by Animas-La Plata Project
1968Use SHIFT+ENTER to open the menu (new window).
1969Use SHIFT+ENTER to open the menu (new window).
Passage of the National Environmental Policy Act
1971Use SHIFT+ENTER to open the menu (new window).
The Construction Fund Program, now called the Water Project Loan Program created, which allows the CWCB to enter into contracts to loan money to finance the design and construction of water and power projects
1972Use SHIFT+ENTER to open the menu (new window).
The Weather Modification Act creates weather modification permitting program
1973Use SHIFT+ENTER to open the menu (new window).
Senate Bill 97 creates the Colorado Instream Flow and Natural Lake Level Program, which protects streamflows and lake levels
1973Use SHIFT+ENTER to open the menu (new window).
The Endangered Species Act is passed, providing for the conservation of ecosystems upon which threatened and endangered species of fish, wildlife, and plants depend
1974Use SHIFT+ENTER to open the menu (new window).
Colorado River Basin Salinity Control Act passed to address interstate and international issues regarding salt loading on the Colorado River
1975Use SHIFT+ENTER to open the menu (new window).
Initial work on the Frying Pan-Arkansas River Project completed, diverting water from the western slope and damming the Arkansas River
1975Use SHIFT+ENTER to open the menu (new window).
Instream Flow and Natural Lake Level Program challenged in water court by west slope water users resulting in constitutionality of the program eventually being upheld by th Colorado Supreme Court
1976Use SHIFT+ENTER to open the menu (new window).
Big Thompson Flood
1979Use SHIFT+ENTER to open the menu (new window).
The CWCB and U.S. Army Corps of Engineers funding to construct flood control channel below Chatfield Reservoir known as Chatfield Downstream Channel Improvement Project
1981Use SHIFT+ENTER to open the menu (new window).
The number of voting board members is reduced from 13 to 10; the State Engineer, Attorney General and CWCB Director remain ex officio members
1981Use SHIFT+ENTER to open the menu (new window).
1981Use SHIFT+ENTER to open the menu (new window).
Senate Bill 414 requires the CWCB to make environmental determinations before pursuing an instream flow water right, along with other changes to the Instream Flow Program
1983Use SHIFT+ENTER to open the menu (new window).
The U.S. Fish and Wildlife Service issues a draft conservation plan for four endangered species native to the Upper Colorado River Basin
1984Use SHIFT+ENTER to open the menu (new window).
Legislation passed requiring Governor's appointees to the Board be subject to Senate confirmation
1985Use SHIFT+ENTER to open the menu (new window).
Water Project Loan Program fund equity reaches $100M
1986Use SHIFT+ENTER to open the menu (new window).
Senate Bill 91 clarifies the Board's authority to acquire water, water rights or interests in water to preserve the natural environment and procedures for requesting recommendations from Federal agencies
1987Use SHIFT+ENTER to open the menu (new window).
Director of the Colorado Division of Wildlife added to the board as a non-voting, ex officio member; bringing the total to 14 members, 10 voting and 4 non-voting ex officio members
1987Use SHIFT+ENTER to open the menu (new window).
Senate Bill 212 reaffirms the Board's exclusive authority to appropriate water for instream flows or natural lake levels
1987Use SHIFT+ENTER to open the menu (new window).
Administration of Weather Modification Permits delegated to the CWCB
1988Use SHIFT+ENTER to open the menu (new window).
The Recovery Implementation Program for Endangered Fish Species in the Upper Colorado River Basin is initiated to recover and delist endangered fish species while maintained other water interests
1990Use SHIFT+ENTER to open the menu (new window).
The 100th Water Project Loan Program loan is completed
1990Use SHIFT+ENTER to open the menu (new window).
The CWCB becomes non-federal sponsor and owner of Chatfield Downstream Channel Improvement Project
1991Use SHIFT+ENTER to open the menu (new window).
The Water Conservation Act is passed, creating the Office of Water Conservation; requiring water providers to have an approved water conservation plan on file with the state; making Colorado the first western state to enact statewide water conservation legislation
1992Use SHIFT+ENTER to open the menu (new window).
Colorado's Decision Support Systems initiated to collect, analyze and organize water resources data in a format for decision makers to use for planning purposes
1992Use SHIFT+ENTER to open the menu (new window).
The Grand Canyon Protection Act is passed to evaluate the environmental impacts to the Grand Canyon from operation of the Glen Canyon Dam
1994Use SHIFT+ENTER to open the menu (new window).
Senate Bill 54 limits the circumstances under which the Board may acquire conditional water rights to use for recovery of endangered fish in the Colorado and Yampa River drainages
1995Use SHIFT+ENTER to open the menu (new window).
Severance tax added to loan program
1995Use SHIFT+ENTER to open the menu (new window).
The CWCB's loan authorization limit increases to $100K
1995Use SHIFT+ENTER to open the menu (new window).
Senate Bill 64 indentifies procedures the Board must follow when modifying decreed instream flow water rights, clarified the Water Court's role in the adjudication of instream flow water rights and confirmed the use of the Program to recover endangered species
1998Use SHIFT+ENTER to open the menu (new window).
Audit financial policies created for the Water Project Loan Program
1998Use SHIFT+ENTER to open the menu (new window).
1999Use SHIFT+ENTER to open the menu (new window).
The Commissioner of Agriculture added to the Board as a non-voting, ex officio member
2000Use SHIFT+ENTER to open the menu (new window).
House Bill 1438 repeals the power of the Board to acquire conditional water rights for instream uses
2001Use SHIFT+ENTER to open the menu (new window).
The Water Project Loan Program fund equity reaches $300M
2001Use SHIFT+ENTER to open the menu (new window).
2001Use SHIFT+ENTER to open the menu (new window).
Senate Bill 216 establishes recreational in-channel diversions as a legal, beneficial use of water in Colorado
2002Use SHIFT+ENTER to open the menu (new window).
The CWCB's operation dollars are removed from the General Fund and funded through the Construction Fund
2002Use SHIFT+ENTER to open the menu (new window).
Republican River Settlement
2002Use SHIFT+ENTER to open the menu (new window).
Severe drought hits Colorado and the West
2002Use SHIFT+ENTER to open the menu (new window).
Senate Bill 156 authorizes the Board to acquire water, water rights or interests in water to improve the natural environment
2002Use SHIFT+ENTER to open the menu (new window).
The Agricultural Emergency Drought Response Program is created to provide loans and grants to agricultural organizations for emergency drought-related water augmentation purposes
2002Use SHIFT+ENTER to open the menu (new window).
The CWCB became a Cooperating Technical Partner (CTP) in FEMA's flood hazard mapping program
2003Use SHIFT+ENTER to open the menu (new window).
Senate Bill 03-110 creates legislation to conduct the Statewide Water Supply Initiative (SWSI) to investigate water supply and demand in Colorado over the upcoming thirty years
2003Use SHIFT+ENTER to open the menu (new window).
House Bill 1320 authorizes temporary loan of water rights for instream flow use during times of drought or other emergency
2003Use SHIFT+ENTER to open the menu (new window).
2004Use SHIFT+ENTER to open the menu (new window).
The Republican River Water Conservation District is created
2004Use SHIFT+ENTER to open the menu (new window).
The Board approves (SWSI 1)
2004Use SHIFT+ENTER to open the menu (new window).
The Water Conservation Act of 2004 amends the water conservation planning requirements in 1991 Water Conservation Act; changes the law to mandate that all covered entities must develop water conservation plans to be approved by the state; expanded the duties of the Office of Water Conservation, changing the name to the Office of Water Conservation and Drought Planning; also provided a funding source for water conservation and drought mitigation planning projects
2005Use SHIFT+ENTER to open the menu (new window).
House Bill 05-1177 establishes Basin Roundtables and the Interbasin Compact Committee in the Colorado Water fro the 21st Century Act
2005Use SHIFT+ENTER to open the menu (new window).
The Water Efficiency Grant Program is created to provide funding for water conservation plan measures and to promote water conservation education and public outreach around the state
2005Use SHIFT+ENTER to open the menu (new window).
House Bill 1039 amends the Code to remove the drought declaration requirement for loan of water rights for instream flow use, limit the exercise of a loan to no more than three years in any ten year period and provide a process for parties to comment on potential injury after each year a loan is exercised
2006Use SHIFT+ENTER to open the menu (new window).
The Water Project Loan Program fund equity reaches $500M
2006Use SHIFT+ENTER to open the menu (new window).
The South Platte Recovery Program is established; protects endangered and threatened species through increased streamflows and restoring habitat
2006Use SHIFT+ENTER to open the menu (new window).
Senate Bill 06-179 establishes the Water Supply Reserve Account Grant program.
2007Use SHIFT+ENTER to open the menu (new window).
The Board approves SWSI 2 to refine the results of SWSI 1 on water conservation, agricultural water transfers and environmental needs and identify gaps in water needs and supplies projected to occur in Colorado by 2030
2007Use SHIFT+ENTER to open the menu (new window).
The Colorado River Interim Guidelines for Lower Basin Shortages and the Coordinated Operations of Lake Powell and Lake Mead (2007 Interim Guidelines) are adopted to address water shortages on the Colorado River
2007Use SHIFT+ENTER to open the menu (new window).
House Bill 1012 amends the Code to exclude all periods of time during which a loaned water right is used by the CWCB for instream flow purposes from any historic consumptive use analysis for the loaned water right required under any water court proceeding and to designate participation in a loan of water to the Board for instream flow use as a circumstance under which no intent to abandon the loaned water right shall be found
2007Use SHIFT+ENTER to open the menu (new window).
The Alternative Agricultural Water Transfer Methods Grant program is created to assist with development and implementation of creative alternatives to the traditional purchase and transfer of agricultural water
2007Use SHIFT+ENTER to open the menu (new window).
The Board is given authority to approve loans up to $10M
2007Use SHIFT+ENTER to open the menu (new window).
The Water Efficiency Grant Program expanded to include water conservation planning and implementation, education & public outreach, and drought mitigation and implementation
2008Use SHIFT+ENTER to open the menu (new window).
2009Use SHIFT+ENTER to open the menu (new window).
$120M is transferred from the Water Project Loan Program fund to the General fund
2009Use SHIFT+ENTER to open the menu (new window).
Senate Bill 09-125 authorizes the Alternative Transfer Methods grant program in the Construction Fund Bill
2010Use SHIFT+ENTER to open the menu (new window).
2010Use SHIFT+ENTER to open the menu (new window).
The Board approves SWSI 2010, providing an updated and comprehensive picture of Colorado's water needs until 2050, a summary of non-consumptive needs and an analysis of supply availability in the Colorado River Basin
2011Use SHIFT+ENTER to open the menu (new window).
The Basin Roundtables complete their basin-wide water needs assessments