Researchers for the agency in Carson City, Nev., detailed that the clarity of the lake in 2011 was 68.9 feet, an increase of 4 1/2 feet from 2010. The total from 2010 was the second worst on record.
|Majestic Lake Tahoe is more clear|
According to the center's scientists, the clarity of 51 1/2 feet last summer was also the second worst on record.
The poor results could be due to last year's heavy snowpack and late spring snowmelt that washed sediment into the lake.