"The San Clemente Dam is a 106-foot high concrete arch dam located approximately 18.5 miles from the Pacific Ocean on the Carmel River. California American Water (CalAm) owns and operates the dam.When the dam was constructed in 1921, it had a reservoir storage capacity of approximately 1,425 acre-feet. Today the reservoir is over 90% filled with more than 2.5 million cubic yards of sediment, leaving a reservoir storage capacity of approximately 125 acre-feet.
In the early 1990s, the California Department of Water Resources issued a safety order, determining that the dam structure could potentially fail in the event of either the maximum credible earthquake or probable maximum flood."
From San Clemente Dam Removal Project: http://www.scc.ca.gov/webmaster/ftp/pdf/sanclemente/san_clemente_large.pdf
Picture from the wonderful blog Xasuan Today: http://xasauantoday.wordpress.com/
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