Crystal Dam Crystal Dam Crystal Dam is a double curvature, concrete thin arch dam located six miles downstream from Morrow Point Dam on the Gunnison River in Colorado, United States. Crystal Dam is the newest of the three dams in Curecanti National Recreation Area; construction on the dam was finished in 1976. The dam impounds Crystal Reservoir. Crystal Dam and reservoir are part of the Bureau of Reclamation's Wayne N. Aspinall Unit of the Colorado River Storage Project, which retains the waters of the Gunnison River and its tributaries for agricultural and municipal use in the American Southwest. The dam's primary purpose
Tsukabaru Dam area drained at the dam site is and is highly forested to the extent of 95%, whereas the agricultural area is only 1%. The river catchment lies in a temperate climatic zone. There is cascade of six dams built on the river with two dams in the upstream basin of the Tsukabaru Dam and three dams (Yamasubaru Dam, Saigo Dam, and Ouchibaro Dam) downstream of it. The uppermost dam is the Kamishiba Dam, the first arch dam in Japan which is the largest on the river followed by the Iwayado Dam. Tsukabaru Dam, a concrete masonry gravity dam is in