On May 15th every year, the Los Angeles Department of Water & Power sends its Mono Basin compliance report to the State Water Resources Control Board. One of the notable things about the May 15, 2014 report is that it does not contain a “tributaries” section for the first time.
http://www.monolake.org/today/2014/07/01/interesting-mono-lake-brine-shrimp-data-in-the-2013-dwp-compliance-report/