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Bridge construction work over the St. Vrain Creek photographed June 5, 2024, during a site visit by the U.S. Army Corps of Engineers, Omaha District. USACE commences St. Vrain Creek flood risk reduction project
USACE commences St. Vrain Creek flood risk reduction project
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Izaak Walton Nature Area and St. Vrain Creek on the right, photographed on April 26, 2022, during a site visit by the U.S. Army Corps of Engineers, Omaha District. USACE commences St. Vrain Creek flood risk reduction project
USACE commences St. Vrain Creek flood risk reduction project
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Photo of presenter at exercise. Omaha District hosts dam safety and emergency response exercise with Denver area partners
Omaha District hosts dam safety and emergency response exercise with Denver area partners
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Photo of presenter at exercise. Omaha District hosts dam safety and emergency response exercise with Denver area partners
Omaha District hosts dam safety and emergency response exercise with Denver area partners
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Photo of presenter at exercise. Omaha District hosts dam safety and emergency response exercise with Denver area partners
Omaha District hosts dam safety and emergency response exercise with Denver area partners
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Photo of presenter at exercise. Omaha District hosts dam safety and emergency response exercise with Denver area partners
Omaha District hosts dam safety and emergency response exercise with Denver area partners
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Photo of presenter at exercise. Omaha District hosts dam safety and emergency response exercise with Denver area partners
Omaha District hosts dam safety and emergency response exercise with Denver area partners
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Photo of presenter at exercise. Omaha District hosts dam safety and emergency response exercise with Denver area partners
Omaha District hosts dam safety and emergency response exercise with Denver area partners
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Photo of presenter at exercise. Omaha District hosts dam safety and emergency response exercise with Denver area partners
Omaha District hosts dam safety and emergency response exercise with Denver area partners
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Engineers from the U.S. Army Corps of Engineers, Omaha District answer students’ questions during the 2025 Engineering Workshop, hosted by USACE Omaha District in partnership with the Society of American Military Engineers, Omaha Post STEM Program in Elkhorn, Nebraska, Feb. 13, 2025. USACE Omaha District inspires next generation of engineers
USACE Omaha District inspires next generation of engineers
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Dustin Davis, Omaha District deputy chief of construction, looks on as students participate in a hands-on engineering challenge during the 2025 Engineering Workshop, hosted by the U.S. Army Corps of Engineers, Omaha District in partnership with the Society of American Military Engineers, Omaha Post STEM Program in Elkhorn, Nebraska, Feb. 13, 2025. USACE Omaha District inspires next generation of engineers
USACE Omaha District inspires next generation of engineers
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Students participate in a hands-on engineering challenge during the 2025 Engineering Workshop, hosted by the U.S. Army Corps of Engineers, Omaha District in partnership with the Society of American Military Engineers, Omaha Post STEM Program in Elkhorn, Nebraska, Feb. 13, 2025. USACE Omaha District inspires next generation of engineers
USACE Omaha District inspires next generation of engineers
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Photo of spillway water release Fort Randall Spillway
Fort Randall Spillway
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The Cherry Creek Dam outlet manages reservoir levels by releasing water from the reservoir to downstream users. Release rates are generally less than 100 cubic feet of water per second. The outlet structure can release water at a rate of up to 10,000 cfs. when operating to reduce flood risks during periods of high runoff. One cubic foot of water, or cfs, is equivalent to 7.5 gallons. Cherry Creek Dam Outlet Structure
Cherry Creek Dam Outlet Structure
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Cherry Creek Reservoir lies on Cherry Creek at its confluence with Cottonwood Creek, at the southeast edge of the Denver metropolitan area in Arapahoe County. Under normal conditions, the reservoir is 1.3 miles long, with an average depth of almost 15 feet, a surface area of 875 acres, and a storage capacity of 12,885 acre-feet of water. Approximately 390 square miles drains into Cherry Creek Reservoir. Cherry Creek Reservoir
Cherry Creek Reservoir
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(U.S. Army Corps of Engineers photo by Declan Barnes) Flood Risk Feasibility Study for Atchison and Nemaha counties 01.15.25
Flood Risk Feasibility Study for Atchison and Nemaha counties 01.15.25
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(U.S. Army Corps of Engineers photo by Declan Barnes) Flood Risk Feasibility Study for Atchison and Nemaha counties 01.15.25
Flood Risk Feasibility Study for Atchison and Nemaha counties 01.15.25
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(U.S. Army Corps of Engineers photo by Declan Barnes) Flood Risk Feasibility Study for Atchison and Nemaha counties 01.15.25
Flood Risk Feasibility Study for Atchison and Nemaha counties 01.15.25
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(U.S. Army Corps of Engineers photo by Declan Barnes) Flood Risk Feasibility Study for Atchison and Nemaha counties 01.15.25
Flood Risk Feasibility Study for Atchison and Nemaha counties 01.15.25
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(U.S. Army Corps of Engineers photo by Declan Barnes) Flood Risk Feasibility Study for Atchison and Nemaha counties 01.15.25
Flood Risk Feasibility Study for Atchison and Nemaha counties 01.15.25
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USACE Omaha District Photos

Oahe Dam Surge Tanks
Located near Pierre, South Dakota, the surge tanks at Oahe Dam are each 70 feet in diameter. There are two tanks per penstock. The surge tanks help regulate water flow to the power house turbines.
Download Image: Full Size (0.27 MB)
Tags: Mainstem Dams, Oahe Dam, Missouri River
Photo by: Cheryl Moore |  VIRIN: 130604-A-CE999-441.JPG
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