Case Studies

Equalizer Dam (Colorado)

The Equalizer Lake Dam is owned by the Greeley Loveland Irrigation Company and is located in Larimer County, Colorado approximately 50 miles north of Denver. The irrigation company operates and maintains a fifty mile long canal system, and four off channel reservoirs that supply water for agriculture…
Learn More

Folsom Dam (California, 1995)

Located approximately 20 miles northeast of Sacramento, California, Folsom Dam was designed and constructed by the U.S. Army Corps of Engineers to generate hydropower along the American River. The 340-foot high concrete gravity Folsom Dam along with two earthen wing dikes…
Learn More

Fontenelle Dam (Wyoming, 1965)

Fontenelle Dam is located on the Green River near La Barge, Wyoming and was originally built in 1964 to provide irrigation water and hydropower for a region of southwest Wyoming. The earthfill embankment structure…
Learn More

Fort Peck Dam (Montana, 1938)

Beginning at about 1:15 pm on September 22, 1938, the upstream slope of the dam adjacent to the right abutment experienced a large failure as the construction work had progressed to within 20 feet of the final dam crest elevation. One hundred eighty men were working in the area.
Learn More

Front Range Flood (Colorado, 2013)

The September 2013 rainfall that occurred on the Front Range of Colorado was the result of an unusual, late season storm event where warm moisture and upslope winds allowed this regional storm to dump up to 17 inches of rain over a seven day period.
Learn More

Glen Canyon Dam (Arizona, 1983)

The United States Bureau of Reclamation (Reclamation) began construction of Glen Canyon Dam in 1956 as a part of the Colorado River Storage Project to provide water storage, flood control, and hydropower to Arizona, Colorado, Wyoming, Utah, and New Mexico.
Learn More

Hawkins Dam (Washington, 2014)

Hawkins Dam impounded the most downstream reservoir in the Wenner Lakes chain of manmade lakes located 6 miles Southeast of Twisp WA in Okanogan County. Hawkins Dam Impounded Wenner Lake No. 1. Hawkins Dam is a 35-foot high earthfill dam with a crest length of 350 feet and impounds a 4-acre reservoir with a volume of 22 acre-feet…
Learn More

Kelly Barnes Dam (Georgia, 1977)

Kelly Barnes Dam was located approximately a half mile upstream (north) of Toccoa Falls Bible College in Stephens County, Georgia. Toccoa Falls, a 186-foot-high waterfall, was located between the dam and the college. The dam site was originally the location…
Learn More

Kinugawa Levee at Joso (Japan, 2015)

Beginning around September 6, 2015, Tropical Storm Etau together with Tropical Depression Kilo began dropping excessive rainfall across northeast Japan. The interaction of the two systems caused them to stall and concentrate rainfall in a narrow band over the Kinugawa watershed.
Learn More

Lake Delhi Dam (Iowa, 2010)

Lake Delhi Dam was originally constructed by the Interstate Power Company between 1922 and 1929 for hydroelectric power generation. The dam is located in Iowa approximately 1.4 miles south of Delhi on the Maquoketa River and impounds the nine-mile-long Lake Delhi. Reaching a maximum height…
Learn More