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A fierce atmospheric river blasted the northern and central Sierra overnight, dumping several feet of snow to elevations above 8,000 feet and bringing a slushy mix of rain and snow to lower elevations. On State Route 88 over the Carson Spur, Caltrans snow ploughs faced drifts that rose well above the top of their trucks. As of 11:30 a.m., the road still wasn’t clear. In the mountains, ski resorts shuttered lifts due to the high volume of snow. Squaw Valley and Alpine Ski resorts ceased operations at 3 p.m. due to high avalanche conditions.

Heavy rain in the Sierra foothills pushed a small dam within San Francisco’s Hetch Hetchy water system to the brink of failure Thursday, sending a brief scare through the rural region where roads were closed and a few dozen residents were forced to evacuate. Officials at the San Francisco Public Utilities Commission said the danger in the area, west of Yosemite National Park, had diminished by nightfall as the storm gave way. There was no interruption to water service for the agency’s 2.7 million Bay Area customers.

For years, Colorado River states have been negotiating a plan to avoid the worst – a shortage in Lake Mead so bad it could trigger unprecedented cutbacks. With the region experiencing drought conditions since 2000, even California, which has senior rights, came to the negotiating table. State officials said they were willing to voluntarily reduce Colorado River allocations to keep water levels in Lake Mead – the reservoir that holds water behind Hoover Dam for Arizona, California, Nevada and Mexico – from slipping below a critical threshold.

Inclusion of money for raising Shasta Dam got the most attention in a recently released federal budget proposal, but the same package also includes money for Sites Reservoir. The Department of Interior is recommending spending $33.3 million under the Water Infrastructure Improvements for the Nation Act, which was signed into law in December 2016. The biggest piece of that would be $20 million for design and pre-construction work on raising Shasta Dam 18 feet. However there’s also $4.35 million to complete a decades-old federal feasibility study on Sites Reservoir.

If you don’t live near the fading banks of the Salton Sea, it’s easy to forget it exists — that is, until the winds pick up. Depending on which way they are blowing, gusts carry tiny, toxic particulates — and sometimes the stench of decaying fish and sulfur dioxide — from the Colorado Desert to Los Angeles, Phoenix, and points beyond. The smell is a reminder of the public health crisis that will occur if more isn’t done — and quickly — to save the sea.