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Fresh on the heels of a boost to 100 percent for federal water contractors south-of-the-Delta, California water managers upped their initial allocation to full allotments for northern California users and 85 percent for those south of the Sacramento-San Joaquin Delta . Acting California Department of Water Resources (DWR) Director William Croyle hopes to boost the south-of-Delta allocation as the state continues to monitor hydrologic conditions, which have never been wetter in California’s recorded history.

As state officials clamp down on records at Oroville Dam, one of the country’s foremost experts on catastrophic engineering failures has used state inspection reports, photographs and historical design specifications to piece together an autopsy detailing why the spillway at the country’s tallest dam failed so spectacularly this winter. The independent analysis by Robert Bea, of the Center for Catastrophic Risk Management at UC Berkeley, points to design and construction flaws dating back to the spillway’s construction in the 1960s.

Gov. Jerry Brown declared an end to California’s drought this month, lifting emergency water restrictions in all but a few counties across the state. This winter has been the wettest on record for Northern California, but that doesn’t mean California’s problems are over. Here & Now‘s Jeremy Hobson talks with Jay Lund (@JayLund113), professor of civil and environmental engineering and the director of the Center for Watershed Sciences at the University of California Davis.

Just a week after Governor Jerry Brown declared the end of the California drought emergency, the northern half of the state logged its wettest year into the record books. But that doesn’t mean California’s water problems are over. On 13 April, rainfall measuring stations in the Sierra Nevada mountains recorded 89.7 inches of water. The previous record set in 1983 was 88.5 inches. In the past 12 months, California has simultaneously dealt with the effects of not enough water and far too much of it.