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Cherokee Canal Corridor Management Strategy Pilot Project: Phase I Sediment Removal


The Department is the lead agency for the Cherokee Canal Corridor Management Strategy Pilot Project: Phase I Sediment Removal under the California Environmental Quality Act and has prepared a Draft Initial Study and Mitigated Negative Declaration. The public comment period is open from June 24, 2009 to July 23, 2009. The proposed project would remove sediment and redesign the channel to facilitate ongoing maintenance in an approximately 4-mile long portion of Cherokee Canal from the southern Richvale Irrigation District Canal siphon to the confluence with Cottonwood Creek where channel capacity has been reduced by 37 to 44 percent. DWR would remove up to approximately 750,000 cubic yards of sediment from this portion to restore channel capacity to 11,500 cubic feet per second. Sediment would be transported to several spoil site locations. Environmental staff is working with regulatory agencies to minimize impacts to sensitive resources. The proposed project would include revegetation with natives to replace vegetation removed during construction and enhancement of habitat for giant garter snake and other wildlife species. Construction is proposed to occur between August to November 2010.

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