| The Reclamation Act passed creating the United States Reclamation Service, which later became the Bureau of Reclamation
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| The Boulder Canyon Act authorizes the construction of the Hoover Dam
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| The Colorado-Big Thompson Project authorized
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| Sand Creek Administrative Agreement; allocates water between Wyoming and Colorado
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| U.S. Mexico Treaty; guarantees delivery of 1.5 million acre-feet to Colorado River water annually
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| Two additional Board members added, bringing total to 14 and term limits enacted |
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The Colorado-Big Thompson Project is completed, a transmountain water diversion moving water from the Colorado River to the eastern slope
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| The General Assembly Weather Control Act claims right to natural and artificial precipitation
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| The Colorado River Storage Project is approved, authorizing construction of Glen Canyon, Flaming Gorge, Cuerecanti and Navajo dams
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| The Frying Pan-Arkansas Project is authorized
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| The Cherry Creek flood causes damage in Denver
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| The Groundwater Management Act is passed
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The Floodplain Designation Program is created to authorize CWCB to designate and approve floodplains in the state
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| Board membership changes, as Governor no longer a Board member and Natural Resources Coordinator added
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The CWCB becomes a division within DNR |
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| Passage of the National Environmental Policy Act |
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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
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The Endangered Species Act is passed, providing for the conservation of ecosystems upon which threatened and endangered species of fish, wildlife, and plants depend |
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| Initial work on the Frying Pan-Arkansas River Project completed, diverting water from the western slope and damming the Arkansas River
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| The number of voting board members is reduced from 13 to 10; the State Engineer, Attorney General and CWCB Director remain ex officio members
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| 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 |
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| Legislation passed requiring Governor's appointees to the Board be subject to Senate confirmation |
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| 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 |
| 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 |
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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
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| The Grand Canyon Protection Act is passed to evaluate the environmental impacts to the Grand Canyon from operation of the Glen Canyon Dam
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| 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
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| Severance tax added to loan program |
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The CWCB's loan authorization limit increases to $100K
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| 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 |
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| The Commissioner of Agriculture added to the Board as a non-voting, ex officio member
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| House Bill 1438 repeals the power of the Board to acquire conditional water rights for instream uses |
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| The CWCB's operation dollars are removed from the General Fund and funded through the Construction Fund
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| Republican River Settlement |
| Severe drought hits Colorado and the West |
| Senate Bill 156 authorizes the Board to acquire water, water rights or interests in water to improve the natural environment |
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| House Bill 1320 authorizes temporary loan of water rights for instream flow use during times of drought or other emergency |
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| The Republican River Water Conservation District is created
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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 |
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| 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
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| The South Platte Recovery Program is established; protects endangered and threatened species through increased streamflows and restoring habitat
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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 |
| 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
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| 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
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| The Board is given authority to approve loans up to $10M
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| The Water Efficiency Grant Program expanded to include water conservation planning and implementation, education & public outreach, and drought mitigation and implementation
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| Senate Bill 09-125 authorizes the Alternative Transfer Methods grant program in the Construction Fund Bill
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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 |
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