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Water Resources Development by the U.S. Army Corps of Engineers in Colorado

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COLORADO This publication is authorized by the Secretary of the Army as required by PL 99-662 IIBRA-**' OCT 1 : ,;90 Bu -*/» ■** ■ * > ,< * . Partnership has changed the way we do business. It has committed us to pursue new strategies to deal with old problems. We are also finding that partnerships mean results. With a civil works program of more than $3 billion annually, the Army Corps of Engineers is the largest water resources development and management agency in the Federal Government. The civil works program consists of water resources project activities — planning, design, construction, operation and maintenance, and regulatory program activities. Numerous navigation and flood control projects serve additional purposes. The Corps produces nearly 30 percent of the Nation’s hydropower. The 115 Corps lakes store 275.2 million acre-feet of water for agricultural, municipal, and industrial use. In the 1930’s and 1940’s, many of the Corps reservoirs were built for a host of benefits, including reducing flood stages on the Lower Mississippi River. Last year, the drought clearly illustrated the capability of Corps multiple-purpose reservoirs to respond in a water shortage situation. Undertakings such as the Pick-Sloan plan, with its six main stem dams on the Missouri River, bequeathed an unforeseen legacy to the Nation — stable, low-water flows on the Lower Mississippi. We, in the Army, look forward to continuing this public service. The Corps of Engineers’ qualifications to provide construction management services to other military and civilian Federal agencies are greatly bolstered by our major new management initiatives. Commitment to efficient project management — making solid cost estimates, delivering projects on schedule and within the estimate, controlling costs — demonstrates our resolve to responsibly serve the Nation. We are counting on you, as partners, to help us make sure the Nation’s resources are put to good use. ROBERT W. PAGE Assistant Secretary of the Army (Civil Works) 2 The U.S. Army Corps of Engineers entered a new era with the passage of the Water Resources Development Act of 1986. The act’s non-Federal cost-sharing provisions focused on an entirely different manner of doing business. With our cost-sharing partners, we are finding new and innovative ways to manage water resources projects and reduce costs to American taxpayers. Our partners are paying not only large portions of the construction costs but also large portions of the study costs. Over the past 3 years, this partnership has completed a smooth transition that will provide a healthy water resources program for the future. In the summer of 1988, a natural disaster brought home the importance of such a program. America was in the middle of a massive drought, one that rivaled the Dust Bowl days of the 1930’s. But, there was a difference. The Nation did not totally dry up. Aided by water resources projects built since the years of the Great Depression, the Corps was able to do a lot of things to aid navigation, water supply, and hydropower operation — even recreation. If it were not for the massive reservoirs throughout the tributaries of the Mississippi River, navigation on the mightiest of rivers would have stopped in June — absolutely! During the summer and into the fall, some 65 percent of the flows into the Mississippi, past Memphis, came from Corps of Engineers reservoirs. In addition, our lakes and dams enhance our national stewardship of the environment. Nine of the 191 finalists in last year’s “ Take Pride in America” awards program helped protect public lands at Corps of Engineers projects. These finalists were selected from 530 nominations representing 44 States, the District of Columbia, and Puerto Rico. We are proud of our Take Pride in America finalists, and we are proud of our projects. But, most of all, we are proud of the new-found partnerships that will continue to build and operate our vital water resources for our future generations. This booklet is one of a series detailing water resources programs in the 50 States and U.S. possessions. I hope you find it interesting and feel some pride of ownership. H. J. HATCH Lieutenant General, USA Chief of Engineers US Army Corps of Engineers Missouri River Division The address of each Corps of Engineers office in­ volved in the State is given below, and the area of 1989 responsibility of each is indicated on the map in Chapter I of this booklet. Inquiries regarding the work of the Corps should be addressed to the ap­ COLORADO propriate office. DIVISION ENGINEER DEPARTMENT OF THE ARMY WATER MISSOURI RIVER DIVISION Corps of Engineers P.O. Box 103, Downtown Station Omaha, Nebraska 68101-0103 RESOURCES DISTRICT ENGINEER DEPARTMENT OF THE ARMY Omaha District, Corps of Engineers 215 North 17th Street DEVELOPMENT Omaha, Nebraska 68102-4978 DISTRICT ENGINEER DEPARTMENT OF THE ARMY Kansas City District, Corps of Engineers 700 Federal Building Kansas City, Missouri 64106-2896 DIVISION ENGINEER DEPARTMENT OF THE ARMY SOUTHWESTERN DIVISION Corps of Engineers 1114 Commerce Street Dallas, Texas 75242-0216 DISTRICT ENGINEER DEPARTMENT OF THE ARMY Albuquerque District, Corps of Engineers P.O. Box 1580 Albuquerque, New Mexico 87103-1580 DIVISION ENGINEER DEPARTMENT OF THE ARMY SOUTH PACIFIC DIVISION Corps of Engineers 630 Sansome Street, Room 720 San Francisto, California 94111-2206 DISTRICT ENGINEER DEPARTMENT OF THE ARMY Sacramento District, Corps of Engineers 650 Capitol Mall Sacramento, California 95814-4794 4 Table of Contents Chapter I: Civil Works Overview Chapter III: Upper Colorado River Basin Introduction................................................................ 7 Work Under the Continuing Authorities Program .. .25 Authorization and Planning Process Snagging and Clearing for Flood Control............ 25 for Water Resources Projects ................................ 7 Emergency Bank Protection................................. 26 Navigation.................................................................. 7 Work Under the Technical Assistance Program s---- 26 Flood Control and Flood Plain Management Services Program........ 26 Flood Plain Management........................................ 7 Flood Plain Information Reports ........................26 Shore and Hurricane Protection................................ 8 Special Flood Hazard Information Reports........ 27 Hydropower................................................................ 8 Planning Assistance to States............................... 27 Water Supply............................................................... 8 Work Under Emergency Authorities ..........................27 Environmental Quality............................................... 8 Public Law 99, 84th Congress— Regulatory Programs................................... 9 Flood-Associated Assistance............................27 Recreation.................................................................. 9 Public Law 93-288—Major Disaster Recovery.. .27 Emergency Response and Recovery.......................... 9 Survey Investigations.................................................. 27 Chapter II: Platte River and Kansas River Basins Chapter IV: Arkansas River, Rio Grande, and Completed Flood Control Projects..............................11 Cimarron River Basins Cherry Creek Dam and L ak e........................ 11 Completed Multiple-Purpose Projects........................29 Bear Creek Dam and L ake................................... 12 John Martin Reservoir Project............................. 29 Chat field Dam and Lake.......................................12 Trinidad Lake........................................................ 29 Multiple-Purpose Projects Underway..........................13 Completed Flood Control Projects..............................30 Comprehensive Plan, Missouri River Basin........13 Willow Creek Channel Improvement.................. 30 Flood Control Projects Underway............................. 15 Pueblo Floodway Levee Extension......................30 Westerly Creek......................................................15 Templeton Gap Floodway ................... 30 Associated Projects of Other Agencies...................... .15 Las Animas Flood Control Project......................30 Bonny Reservoir.................................................... 15 Associated Projects of Other Agencies........................31 Work Under the Continuing Authorities Program ... 16 Platoro Reservoir.................................................. 31 Small Flood Control Projects............................... 16 Fryingpan-Arkansas P roject................................31 Emergency Bank Protection................................. 16 Work Under the Continuing Authorities Program ... 31 Work Under the Technical Assistance Programs .... 17 Small Flood Control Projects................................31 Flood Plain Management Services Program........17 Snagging and Clearing for Flood Control............ 31 Flood Plain Information Reports ........................17 Emergency Bank Protection................................. 32 Special Flood Hazard Information Reports........18 Work Under the Technical Assistance Program s___32 Planning Assistance to States............................... 18 Flood Plain Management Services Program........ 32 Technical and Engineering Assistance on Flood Plain Information Reports ........................32 Shore and Streambank Erosion........................19 Special Flood Hazard Information Reports........ 32 Work Under
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