San Joaquin River

This category contains 8 posts

HORB revisited

Last week, the court approved a joint stipulation (PDF) filed by the various parties involved in the OCAP salmonid litigation. [1] The stipulation will set the plan for the coordinated operation of the state and federal projects — striking some sort of balance between Delta exports and species protection, and replacing certain requirements of the … Continue reading

Judge Frawley’s decision on South Delta salinity and Tracy discharge

My apologies for the lack of new posts here. I recently started working on a water-related project that I hope to share here in the future, but it will take some time to complete. In the meantime, I will try to catch up on news and be better about updating. Last month Judge Timothy Frawley … Continue reading

Challenges and opportunities for the San Joaquin explored at State Water Resources Control Board proceeding

Last week the State Water Resources Control Board held a two-day proceeding in Sacramento to gather information related to salinity and flow objectives for the San Joaquin River and southern Delta — generally, the portion of the Delta located south and west of Stockton (pictured in the map at right).  The format of the proceeding, … Continue reading

YouTube video clips of fish and the Delta

It’s been awhile since I last posted to this blog.  I didn’t mean to let it lapse for this long, but it can be hard to regain momentum once stopping.  Anyway, an update is overdue, and for those of you still checking in, I thought it would be fun to return by sharing a YouTube … Continue reading

State Water Resources Control Board adopts Delta flow criteria

Yesterday the State Water Resources Control Board unanimously adopted criteria describing the flows deemed necessary to protect public trust resources in the Delta, as detailed in the draft report released last month.  This approval of the report meets the statutory deadline and is even slightly ahead of schedule.  Within nine months, the SWRCB collected extensive … Continue reading

The Head of Old River Barrier, and a delicate balance of species and exports

One purpose of the Vernalis Adaptive Management Plan (VAMP), beyond looking at flows and exports, was to investigate how the survival rate of Chinook salmon smolts migrating through the San Joaquin River system could be improved by constructing a rock barrier at the Head of Old River (HORB).  Reverse Old & Middle River (OMR) flows … Continue reading

A brief overview of Lower San Joaquin River flow objectives

For about a decade, experimental studies have been conducted on the lower San Joaquin River as part of the Vernalis Adaptive Management Plan (VAMP).  The goal is to gather data about how changes to inflow and exports affect the survival of Chinook salmon smolts that migrate from the San Joaquin, through the Delta, and out to the Pacific Ocean.  … Continue reading

Restoration Flows Continue in the San Joaquin River

As of February 1, 2010, the Bureau of Reclamation has continued the increased flows on the San Joaquin River below Friant Dam.  The additional water is released pursuant to the 2006 settlement agreement, which calls for 350 cfs each day this February as part of the effort to restore the dry San Joaquin River and … Continue reading

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