Researchers: Lake Tahoe clarity helped by building limits

Scientists who for decades reported the famously clear Lake Tahoe to be turning ever murkier have discovered that the decline actually has been leveling since 2001.

Using a new, more sophisticated computer analysis of environmental data on Tahoe, the researchers also found that the shift was not weather-related but more likely the payoff from years of costly and contentious building restrictions to curb polluted runoff into the lake.

"It's a good hypothesis that the land use restrictions and erosion controls have something to do with it," said John Reuter, a lake scientist with the University of California, Davis, Tahoe Environmental Research Center.

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