Fish biologists say as many as 100,000 trout, bass and catfish have died the past month in the Sparks Marina along Interstate 80.
Nevada Department of Wildlife spokesman Chris Healy says low oxygen levels killed about 3,000 fish in one corner of the 77-acre lake in mid-December but they thought the event was localized and of limited impact.
Since then, they've been unable to detect any live fish.
Biologists say a cold-snap could have stirred up oxygen-poor waters but they don't understand yet what caused the massive die-off.
UPDATED: 6:45 p.m. - Containment has grown to 29 percent, and acreage burned to 17,622. Crews on the Washington Fire, three miles south of Markleeville, took advantage of light winds to increase containment.
UPDATE 6:40 P.M. - Firefighters continue to make progress on the Washington Fire. As of late Thursday afternoon, containment stood at 15 percent. Crews remain focused on keeping the fire away from the community of Markleeville.
The U.S. Drought Monitor report released June 18 shows drought increased slightly in California and improved in Nevada.
(AP) - Nevada climate officials say that recent wet weather isn't significantly changing drought conditions throughout the state.
(AP) - Gov. Brian Sandoval has signed into law legislation creating millions of dollars in incentives to help combat Nevada's severe teacher shortage.