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BOARD02463
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Last modified
8/16/2009 3:15:41 PM
Creation date
10/4/2006 7:15:24 AM
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Board Meetings
Board Meeting Date
3/22/2005
Description
CWCB Director's Report
Board Meetings - Doc Type
Memo
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<br />Headwaters Forum Meeting: The next scheduled forum meeting is April 1. <br /> <br />Fish Numbers Drop After Grand Canyon Flood: The number of juvenile endangered fish recovered in <br />the Colorado River declined dramatically after officials flooded the Grand Canyon. Following a 90-hour <br />experimental water release from Glen Canyon Dam into the canyon in November, 63 percent fewer <br />endangered humpback chub juveniles were trapped than before flooding. <br /> <br />Possible explanations include: The fish were washed downstream, they died, or they're still in the river <br />and scientists couldn't accurately sample them after the simulated flood. <br /> <br />During the flooding, Reclamation released as much as 41,000 cubic feet of water a second. <br /> <br />Scientists set out hoop nets centered around the mouth ofthe Little Colorado River -- a spring-fed <br />tributary into the Colorado -- and at two other locations downstream to catch the juvenile humpback <br />chubs to count, tag and release before and after the flooding Scientists noted that sampling conditions <br />were different during the flood because of an unexpected natural flood in the Little Colorado. The change <br />in conditions could have affected fish behavior. <br /> <br />Officials estimate there may be about 3,000 fish in the Grand Canyon today, down from about 10,000 in <br />the last decade. <br /> <br />Environmental critics said the flooding likely pushed the dwindling chub population closer to extirpation. <br />They contend that the dam is exacerbating the collapse of the Grand Canyon's ecosystem and should be <br />decommissioned. <br /> <br />Arizona and California Entities Adopt 50-Year MSCP Plan: A 50-year conservation plan that will <br />allow Arizona to comply with the Endangered Species Act and protect 26 species and their habitat in the . <br />Lower Colorado River Basin was approved by the Central Arizona Water Conservation District <br />(CA WCD) Board of Directors during its March meeting. CAP's board agreed to pay approximately $52 <br />million over 50 years as its share ofthe cost ofthe program. <br /> <br />The program, which includes California and Nevada, will cost about $626 million. The federal <br />government will pay half of the cost. The remaining half of the cost will be divided among Arizona, <br />California and Nevada. Arizona and Nevada will pay 25 percent, or approximately $78 million with <br />California paying 50 percent, or about $157 million. <br /> <br />Approval and implementation ofMSCP will allow water and power users to continue to operate without <br />interruptions because of endangered species issues. The program includes protection for six endangered <br />and threatened species: the Yuma clapper rail, the southwestern willow flycatcher, the desert tortoise, the <br />bonytail, the humpback chub, and the razorback sucker. <br /> <br />The program will cover Arizona activities that include on-going diversions of Colorado River water by <br />users such as CAP, future diversions, including transfers of Colorado River entitlements and changes in <br />the points of diversion of up to 200,000 acre-feet of water per year, and on-going and future use of <br />hydropower from Hoover, Parker and Davis Dams. <br /> <br />The Metropolitan Water District of Southern California has also signed onto the plan and has committed <br />$88.5 million over the life of a 50-year program. <br /> <br />The Coachella Yalley Water District (CYWD) in California has also authorized the payment of more than <br />$14 million for the Lower Colorado River Multi-Species Conservation Program. <br /> <br />CVWD's share is nine percent, third highest in California behind the Metropolitan Water District of . <br />Southern California (56.5 percent) and hnperial Irrigation District (16.5 percent). <br /> <br />. <br /> <br />24 <br />
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