Environmentalists say it’s past time for California water officials to halt Los Angeles’ diversion of Mono Lake’s tributaries. But L.A. officials insist that water is a tiny but v… ...

In December, the Mono Lake Committee, the basin’s leading advocacy group, sent a letter to the State Water Resources Control Board requesting an emergency pause on water diversions from the lake.

A Los Angeles Department of Water and Power diversion dam on Lee Vining Creek, one of places where the city blocks flows to Mono Lake and shunts water 300 miles south through an aqueduct.

Los Angeles’ diversions from Mono Lake’s tributaries resulted in a 45-foot decline in lake level between 1941 and 1982.

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This rate of diversion put the lake on pace to eventually disappear — a fate met long ago by Owens Lake, 125 miles to the south of Mono and sucked dry by the same aqueduct system. By the 1980s ...

Environmentalists say it's past time for California water officials to halt Los Angeles' diversion of Mono Lake's tributaries. But L.A. officials insist that water is a tiny but vital part of the ...

Historic diversions to Los Angeles amounted to between 80,000 and 100,000 acre-feet, and more, of the basin’s water annually. Beginning in 1995, that was cut to between 4,500 and 16,000 acre ...