CV Salinity Coalition

...Because Salt Management is Critical for Water Supply and the Environment

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Central Valley Salinity Coalition and CV-SALTS

What is the Central Valley Salinity Coalition?

A non-profit coalition of Public Agencies, Business, Associations and other members  working together to better manage Salts in the Central Valley of California

CVSC is non-profit and formed in July 2008 to organize, facilitate and fund efforts needed for the efficient management of salinity in the Central Valley.  The Executive Committee of the Central Valley Policy Group approved the formation of the Coalition in July 2008 and the first members provided funding shortly thereafter.  The Central Valley Salinity Coalition Inc. is a California member benefit 501 C-6 Corporation registered with the Secretary of State.  CVSC is formed in a similar format to the Southern and Northern California Salinity Coalitions. As CVSC is further developed it will cooperate with other California Salinity Coalitions.  Click here for the growing member list of organizations dedicated to water and salinity management in the Central Valley.

 Please Register and Log-in at right to see additional content and update your information.

 

Water Workgroup Recommends New Salinity Guidelines For Regulatory Agencies

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California Agriculture 65(4):182-183. DOI: 10.3733/ca.v065n04p182. October-December 2011.

Leaching requirement guidelines published in the 1980s to help growers manage salt buildup in crop fields now need retooling, say workgroup members appointed by the UC Center for Water Resources. Workgroup chair John Letey, former director of the center, says the group found that current guidelines overestimate the leaching requirement and the negative effects of salinity.

Rather than issuing new recommendations for growers, however, the workgroup has proposed new guidelines for agencies that regulate the water quality of irrigation sources (table 1). They have shared them with California Agriculture, but plan no other formal report.

Salinity is a sensitive issue for agriculture. If salts in irrigation water (such as chloride, sulfate, bicarbonate, sodium, calcium and magnesium) build up in the root zone, plant growth and yields can be affected. In the worst cases, soils become too saline for agricultural use. Leaching is application of extra water to carry salts below the root zone. The leaching requirement (LR) guidelines specify how much extra water (the leaching fraction, LF) should be applied to maintain maximum crop yields.

Read the Article 

http://ucanr.org/repository/CAO/landingpage.cfm?article=ca.v065n04p182&fulltext=yes#tab6504p182atab6504p182a

 

Final Salt and Nitrate Source Pilot Implementation Report Posted

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The Technical Advisory Committee announces the availability of the Final Salt and Nitrate Source Pilot Implementation Report

The Final Report is now posted incorporating comments provided on the Full Draft Document from December 2009. Document links below are compressed to reduce download time. There is an Executive Summary as well as the full report and the Attachments.

Executive Summary (650 KB) Compressed

Main Report (20 MB) Compressed 

Attachments (14 MB) Compressed

This report will be presented at the March 11th Economic and Technical Committee meeting. The Presentation is posted here (10 MB).

Click the Read More button below for Information on the draft version or prior presentation materials.

Read more...
 

Final CV-SALTS Accomplishments January to June 2011

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The Final CV-SALTS six month report on accomplishments report has been posted.  The report covers the period from January to JuneFront Cover 2011.  A companion report will be prepared for July to December 2011 and presented for comment in January 2012.  2 versions are available under the documents tab, a complete version 229 pages with attachments and a summary with links to the other documents.
 

Presentation on San Joaquin River Upstream Standards

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Regional Board Staff Make Presentation on New Report

As part of the CV-SALTS Technical Committee Meeting the regular Coordination Programs was host to the Regional Water Quality Control Boards presentation of the San Joaquin River Upstream Salt & Boron BPA/TMDL. 

Presentation by Jay Simi, photo by Joe DiGiorgio

After a brief introduction and preliminary information on integration and potential transfer of the program to a CV-SALTS effort, Jay Simi make the presentation of Draft Report - Salt Tolerance of Crops in the Lower San Joaquin River (Stanislaus to Merced River Reaches).  The PowerPoint Presentation reviewed the draft report and highlighted the information and approach used as well as the opportunity for comments.   The Commitee members and participants asked questions and provided comments on the presentation and the report.  

Jay will be available at future CV-SALTS meeting to respond to stakeholder questions. The comment period closes on May 19, 2010.

 

 
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