U.S. Army Corp of Engineers - Regional General Permit 22 for Restoration of Backwaters along the Lower Colorado River

Summary

SCH Number
2005048365
Lead Agency
Regional Water Quality Control Board, Region 7 (Colorado River Basin), Palm Desert
Document Title
U.S. Army Corp of Engineers - Regional General Permit 22 for Restoration of Backwaters along the Lower Colorado River
Document Type
NOE - Notice of Exemption
Received
Posted
4/28/2005

Document Description
The Regional General Permit will programmatically authorize certain categories of work for backwater restoration along the lower Colorado River for habitat enhancement for endangered fish and birds. Activities include: reestablishing meandering channel waterways feeding overgrown and sediment-laden lakes and wetlands using hydraulic dredges and cookie cutter excavators; modifying banklines and islands using groundbased excavation to create/bulrush wetland fringe habitats and edges; constructing permeable water inlet structures and water control structures in existing training structures, along levees and inlets between backwaters and the Colorado River; maintenance dredging of backwaters to previously authorized depths and profiles; and performing revegetation activities by removing salt cedar and replacing it with native riparian tree species.

Contact Information
Jon Rokke
Regional Water Quality Control Board, Region 7 (Colorado River B
73-720 Fred Waring Drive, Suite 100
Palm Desert, CA 92260

Phone : (760) 776-8959

Location

Counties
Imperial Riverside

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15308 & 15333
Reasons for Exemption
This project consists of activities to restore or enhance the environment, other than construction, as required by section 15308, and will perform maintaenance, restoration, enhancement, and protection of habitat as required by section 15333.
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