Category Archives: California Water

California’s Wettest Drought? – 2017

By Jay Lund Wet.  After five years of drought, most of California finally has become wet.  The mountains are exceptionally wet and covered with snow.  The state’s reservoirs are fuller than their long term average (with a few exceptions).  Flood … Continue reading

Posted in California Water, Drought, Uncategorized, Water Supply and Wastewater | Tagged | 16 Comments

The Coming Droughts of California in 2017 – November 27, 2016

By Jay Lund California is a big diverse place. California probably will experience droughts this year of different types in different places, and no drought at all in some places, simultaneously.  Even if conditions this year are very wet, with … Continue reading

Posted in California Water, Drought | Tagged | 5 Comments

Allocating a Share of San Joaquin River Water to the Environment Shows Promise

By Jeffrey Mount, Brian Gray, Ellen Hanak, PPIC Water Policy Center, Peter Moyle, UC Davis Center for Watershed Sciences Introduction In September 2016, the State Water Board released its draft plan for new environmental flow requirements in the San Joaquin … Continue reading

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Comparing Delta Consumptive Use: Preliminary Results from a Blind Model Comparison

By Josué Medellín-Azuara, Kyaw Tha Paw U, Yufang Jin, Quinn Hart, Eric Kent, Jenae’ Clay, Andy Wong, Andrew Bell, Martha Anderson, Daniel Howes, Forrest Melton, Tariq Kadir, Morteza Orang, Michelle M. Leinfelder-Miles, J. Andres Morande, William Li, and Jay R. … Continue reading

Posted in California Water, Delta, Uncategorized, Water System Modeling | Tagged | 9 Comments

Drought Prospects in California for the New 2017 Water Year – October 1, 2016

This blog post has been superseded by more recent storms this water year.  See the January 2017 Tails of California’s Drought.  This older post remains of some retrospective significance in how slow and fast drought conditions can change – Jay … Continue reading

Posted in California Water, Drought, Uncategorized | Tagged | 7 Comments

How much water was pumped from the Delta’s Banks Pumping Plant? A mystery.

By Jay Lund As the old saying goes, “Someone with one watch knows what time it is, someone with two watches is never sure.” Water accounting is fundamental to water management, but is not easy.  But any accounting is more … Continue reading

Posted in California Water, Planning and Management, Tools, Uncategorized | Tagged | 8 Comments

Ecogeomorphology: A Transformative Expedition Education

This week, the Center for Watershed Sciences is proud to feature our flagship education course, Ecogeomorphology. What began as a collaboration between then-Professors Jeffrey Mount and Peter Moyle to introduce students to cross-discipline thinking in expedition settings has developed into … Continue reading

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Scott Valley pioneers instream flow and groundwater management for reconciled water use

by Gus Tolley The Scott River is one of California’s four major undammed streams and important spawning habitat for coho (a species listed as “threatened”) and Chinook salmon. This peaceful and pastoral agricultural valley is at the center of several … Continue reading

Posted in California Water, Groundwater, Planning and Management, Salmon, Uncategorized, Water Markets | Tagged | 5 Comments

Local groundwater management in France and California

by Corentin Girard   France and California have different environmental, agricultural, economic, institutional, and cultural contexts. However, both are moving to more local management of groundwater. In California, the 2014 Groundwater Sustainable Management Act required creation of  local Groundwater Sustainable … Continue reading

Posted in Around the World, California Water, Groundwater, Planning and Management, Uncategorized | Tagged | 2 Comments

Better accounting begets better water management

by Jay Lund Sustainable use of groundwater in California will require major changes in groundwater management, use, and recharge.  Under the 2014 Sustainable Groundwater Management Act, groundwater basins as a whole are responsible for sustainability.  But millions of people and … Continue reading

Posted in California Water, Groundwater, Planning and Management, Sustainability, Uncategorized | Tagged | 3 Comments