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Additionally, the San Francisco Public Utilities Commission said it has earmarked some $700 million to invest in expanding sewer infrastructure over the next 15 years. Ahead of rain expected this weekend, various department heads gathered at Chan Kajaal Park, located near one of The City’s most flood-prone intersections at 17th and Folsom streets, to announce a new strategy that focuses on working with residents and business owners around flood prevention.

California is launching an overall safety review of the nation’s tallest dam to pinpoint any needed upgrades in the half-century-old structure, water officials said Wednesday, launching the kind of overarching review called for by an independent national panel of experts in September following the collapse of two spillways at Oroville Dam. Experts from the national Association of State Dam Safety Officials and the U.S. Society on Dams concluded that state officials would have been able to catch the problems that led to the collapses if they had reviewed the 1960s’ design and construction of the dam using modern engineering standards.

The State Water Resources Control Board today released its draft proposed regulation to implement permanent prohibitions against certain wasteful water use practices, as directed by Gov. Jerry Brown under executive orders B-37-16 and B-40-17. According to the State Water Board, the agency is conducting the rulemaking process under its “Waste and Unreasonable Use” authority as part of the Administration’s framework to make conservation a “California Way of Life.”

A new study by the US Geological Survey finds the river’s flow has shrunk by about seven percent over the past 30 years. As air temperature rises due to increasing emissions of greenhouse gases, more water is sucked into the atmosphere from the snowpack and the river itself instead of flowing downstream. The amount that has evaporated is equal to approximately 24 percent of the total amount of California’s annual Colorado River allocation. “These are pretty significant amounts that are being lost as temperatures have gone up,” said lead author Gregory McCabe, a climate scientist with USGS in Denver.

Picture a beach next to a blue lake under the bright California skies, its water twinkling as the sun catches gentle waves, and birds cruising on the thermals above. As you walk towards the lake, you see that the water levels are low, leaving behind cracked and dry brown mud below the white beach. When you reach what looks like sand from afar, your feet make a crunching sound. You realize it’s thousands—no, millions—of bones snapping beneath your sneakers, from fish that were washed ashore, too many for even the birds or wild animals to consume.