Sunday, January 30, 2011

Earth fissure at Powerline flood control dam

The Arizona Republic reports that Maricopa County Flood Control District officials are looking at repairing or replacing a series of flood control dams in the East Valley over the next 15-20 years but earth fissures [left picture in figure at right. Credit, MCFCD] found near the Powerline flood retention structure [right map in figure at right] will necessitate a 'quick fix' construction of a new dam segment in the coming months.

The District's website says the identification of the earth fissure at Powerline FRS led the Arizona Department of Water Resources to classify the dam as “unsafe, non-emergency, elevated risk.” The story says "District officials are hosting a public meeting Tuesday to provide information about the project and gather residents' opinions. The meeting, from 6 to 7:30 p.m., will be at the Phoenix-Mesa Gateway Airport administrative office, 5835 S. Sossaman Road, Mesa."

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