RD 403 Retaining Wall (Streambed Alteration Agreement No. 1600-2019-0445-R3)


SCH Number
Public Agency
California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW)
Document Title
RD 403 Retaining Wall (Streambed Alteration Agreement No. 1600-2019-0445-R3)
Document Type
NOE - Notice of Exemption
Document Description
The amendment adds 200 feet along the bank to the project area on the southern end of the previously permitted project. In the additional area, the project is limited to the removal of Arundo donax on the waterside levee slope, the installation of up to 200 feet of sheet wall to stabilize the levee to ensure safety to any residents at Rough and Ready Island. The engineered sheet wall may be installed between levee stations 258+00 and 260+00, where work will occur on the upper portion of the levee on the water side. The project site impacted consists of concrete hardscaping and non-native landscaping. Straw wattles or silt fences will be installed at the existing wood retaining wall to prevent sediment materials from entering watercourses.

Contact Information

Dave Contreras, Environmental Scientist
Agency Name
Contact Types
Lead/Public Agency


San Joaquin
Northern California, San Francisco Bay Area
Other Location Info
The project is located at Rough and Ready Island along the San Joaquin River, within levee stations 258+00 to 260+00, in the County of San Joaquin, State of California; Latitude 37.95, Longitude -121.336725.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Reasons for Exemption
Project consists of maintenance of existing facilities.
County Clerk
San Joaquin


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