Shasta Dam only by Hoover Dam on the Colorado – as well as the highest man-made structure in California. It was also the second most massive concrete dam measured by volume, exceeded only by Grand Coulee Dam on the Columbia River in Washington. An anonymous workman reportedly said, "Old Shasta's about the secondest dam there is." When the dam was completed, chief engineer Frank Crowe is known to have declared, "Look at that Shasta Dam. That dam will stand there forever holding back the river. And that powerhouse will keep right on turning out juice until somebody discovers how to make power
Tsukabaru Dam process takes about 5 hours and a success rate of 99% removal of the algae is reported, killing all cells over an initial treatment of two days. Unlike other methods of treatment, no chemical contamination is produced in the UV radiation process. Tsukabaru Dam Tsukabaru Dam () is a concrete gravity dam built on the Mimi River for hydro electric power generation in the Miyazaki Prefecture in Japan. The dam, built by the Kyushu Electric Power Co, Ltd. in 1938, was commissioned only in 1993. When built to a height of it was the highest gravity type dam in Japan,