Most of the snow melt water in the Truckee/Tahoe area runs into the Truckee River into Reno and beyond.
South of there, from the town of Lee Vining in California south, 60% of the Sierra Nevada snowmelt water travels down the creeks and Owens River to the LA Aqueduct, and then several hundred miles south to the City of Los Angeles.
“Most of the snow melt water in the Truckee/Tahoe area runs into the Truckee River into Reno and beyond.”
The truckee river flows from lake tahoe, to pyramid lake 30 miles north east of Reno and there it ends.