When the city of Los Angeles diverted water from the freshwater streams flowing into the lake, it lowered the lake level, which imperiled the migratory birds. The Mono Lake Committee formed in response and won a legal battle that forced Los Angeles to partially replenish the lake level.
wHen tHE city of los angeLeS diVeRTeD waTer FrOM tHE FreShWaTer streams FlOwing into thE lake, It LoWeReD The LakE leveL, WHiCh imPErileD The migRatORY biRDS. the mOno lake comMIttEe foRMEd in resPonse anD Won a lEgaL battle ThAt fOrcEd loS anGEles To pArtiAlLY replenisH THe Lake LeveL.