Shaping plans for single Delta tunnel

The Press – As plans for a single tunnel in the Delta take shape, a new committee has been created to inform planners of the Delta Conveyance Project’s (DCP) expected impacts across a broad range of interests. The appointed members of the Stakeholder Engagement Committee (SEC) were announced last month by the board of the Delta Conveyance Design and Construction Authority (DCA), and Read More…

USFWS Regional Director Paul Souza explains the biological opinions

Maven's Notebook – Paul Souza is the Regional Director of the Pacific Southwest division of the US Fish and Wildlife Service, which covers California, Nevada, and the part of Oregon that includes the Klamath Basin.  At the November meeting of Metropolitan Water District’s Water Planning and Stewardship Committee, Mr. Souza gave a presentation on the recently released biological opinions Read More…

Illegal Pot Operations In Public Forests Are Poisoning Wildlife And…

NPR – Water and wildlife in the nation's public forests are slowly being poisoned by insecticides and other chemicals used in illegal marijuana operations, say forest police and researchers. They warn that the potential environmental damage could last generations. Many of the grows are the work of highly organized drug cartels that take advantage of the forests' thick canopy to help hide Read More…

How to Start Adapting to California’s “Precipitation Whiplash”

Bay Nature – Much of California enjoys a mild Mediterranean climate where the weather typically swings like a pendulum from warm, dry summers to cool, wet winters. Year-to-year, this pendulum can swing with great variation. If it doesn’t swing toward rain and snow between October and March, it leads to drought; if it does, we might see record-breaking precipitation. In the dry season the Read More…

Big California water agency steps back from Shasta expansion.…

The Sacramento Bee – The nation’s largest water agency signed an agreement that legally bars it from participating in a controversial plan to raise Shasta Dam, a move applauded by environmental groups that fiercely opposed the proposal out of fears enlarging the state’s biggest reservoir would swamp a stretch of a protected Northern California river and flood sites sacred to a Native Read More…

Scientists assert only breaching dams can cool Northwest waterways

Idaho State Journal – In a recent letter to Northwest policymakers, more than 50 scientists said breaching the four lower Snake River dams is the only action that can counteract warm summertime water in the lower Snake and Columbia rivers that often reaches temperatures that can be lethal to salmon and steelhead. In the coming years, climate change will continue to worsen the Read More…

Decision Scaling: A risk management approach in Delta water supply…

Maven's Notebook – Planning for future conditions has always involved uncertainty, but the additional uncertainty imposed by a changing climate means new approaches are needed for exploring system vulnerabilities and potential adaptation responses. At the 2019 State of the Estuary conference, Andrew Schwarz, Supervising Engineer for the Delta Stewardship Council, gave this presentation Read More…

Taking on Tough Challenges at the State Water Board

PPIC – The State Water Board is central to addressing many of California’s major water challenges, including protecting water quality for drinking and for the environment, addressing drought and water conservation, and managing the allocation of surface water. We talked to Sean Maguire, a civil engineer who was appointed to the board by former governor Brown in December 2018, about Read More…

Understanding streamflow is vital to water management in California,…

Water Education Foundation – California is chock full of rivers and creeks, yet the state’s network of stream gauges has significant gaps that limit real-time tracking of how much water is flowing downstream, information that is vital for flood protection, forecasting water supplies and knowing what the future might bring. That network of stream gauges got a big boost Sept. 30 with the Read More…

CV-SALTS plan to bring new requirements

Ag Alert – Action by the state water board sets in motion a 35-year program of activity and research to address nitrate and salt content in Central Valley groundwater, in order to achieve water-quality objectives. The plan adopted by the State Water Resources Control Board last week addresses elevated salinity in surface water and groundwater and nitrates in groundwater, and requires Read More…