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.
(AP) - Voters might be able to weigh in on gradually raising Nevada's minimum wage to $13.
Many Nevada County cannabis farms are near the Yuba River. That’s why an environmental advocacy group is working to educate farmers on how to protect the watershed.
The Pacific Storm system brought some slight improvement to drought conditions in California and Nevada last week.
"Background" ozone pollution levels in Northern California and Nevada could approach the limit of a proposed new federal air quality standard.
The latest seasonal drought outlook from the National Weather Service shows the drought in California, and much of Nevada, persisting and intensifying through December.