Category Archives: California Water

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 | 4 Comments

Instream flows: Five features of effective summer flow strategies

By Ann Willis As summer begins and stream flows drop throughout California, concerns resurface about whether there’s enough water to support critical ecosystems. Environmental flows have long been a contentious issue, often presented in conflict with existing water use. But … Continue reading

Posted in California Water, Conservation, Planning and Management, reconciliation, Sustainability | Tagged | 2 Comments

Trump’s Dubious Drought Claims

By Vanessa Schipani This post originally appeared on June 9, 2016 on FactCheck.org. The original post can be found here. Peter Moyle, Associate Director at the UC Davis Center for Watershed Sciences, and Jeffrey Mount, Senior Fellow at the Public … Continue reading

Posted in California Water, Delta, Delta Smelt, Drought, Fish, Salmon, Uncategorized | Tagged , , | 5 Comments

Water and salt exports from the Delta – A tale of two plots

By Jay Lund and William Fleenor Where does water exported from the Delta come from?  And where does the salt in Delta exports come from? Water and salt exported from the Delta comes from several sources: Sacramento River (largest high-quality … Continue reading

Posted in California Water, Delta, Uncategorized | Tagged , | 4 Comments

Inevitable Changes to Water in California

By Jay Lund A shorter version of this piece originally appeared as an op-ed in the Sacramento Bee. “Denial ain’t just a river in Egypt.” (anonymous) Water is always important for California, as a dry place with a boisterous economy … Continue reading

Posted in California Water, Drought, Water Conservation | Tagged | 13 Comments

The Collapse of Water Exports – Los Angeles, 1914

by Jay Lund “In February, 1914, the rainfall in the Mojave Desert region exceeded by nearly fifty per cent in three days the average annual precipitation. Where the steel siphon crosses Antelope valley at the point of greatest depression, an … Continue reading

Posted in California Water | Tagged | 4 Comments

California’s Delta-Groundwater Nexus: Delta Effects of Ending Central Valley Overdraft?

By Timothy Nelson, Heidi Chou, Prudentia Zikalala, Jay Lund, Rui Hui, and Josué Medellín–Azuara Surface water and groundwater management are often tightly linked, even when linkage is not intended or expected. This link has special importance in drier regions, such … Continue reading

Posted in Agriculture, California Water, Delta, Groundwater, Uncategorized | Tagged , , , , , | 8 Comments

ENSO the Wet Season Ends (almost) – March 31, 2016

By Jay Lund Summary of conditions March 2016 has been unusually wet, and quite a contrast to February.  The “Godzilla” El Nino this year has been a bit “Gonzo”, but overall has brought a welcome above average precipitation for northern … Continue reading

Posted in California Water, Drought, El Niño, Uncategorized | Tagged | 4 Comments