Desert Knolls Wash Phase III Flood Control Improvement Project


SCH Number
Lead Agency
San Bernardino Flood Control District
Document Title
Desert Knolls Wash Phase III Flood Control Improvement Project
Document Type
MND - Mitigated Negative Declaration
Present Land Use
Z-specific plan flood zone GP - Lewis Center Educational Research Specific Plan-flood zone

Document Description
The proposed project consists of the construction, operation and maintenance of flood control bank and invert stabilization improvements and an access road within an approximately 0.6-mile segment of Desert Knolls Wash, from an existing concrete trapezoidal channel in Desert Knolls Wash (Phase II) to the confluence of the wash with the Mojave River. The bank and invert stabilization improvements include grading of wash slopes to 2:1, placement of side slope protection, and installation of a series of grade stabilization structures constructed across the invert to prevent erosion during large storm events. The intent of the proposed project is provide flood control protection to adjacent existing residential and educational development.

Contact Information
Nancy Sansonetti
San Bernardino Flood Control District
Lead/Public Agency
825 E. Third Street, Rm 123
San Bernardino, CA 92415-0835

Phone : (909) 387-7897


34°32'8.67"N 117°16'44.3"W
Apple Valley
San Bernardino
Cross Streets
SR 18/Potomac Rd/Quantico Rd
Total Acres
State Highways
Lewis Center Campus
Desert Knolls Wash, Mojave River

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Ft. Contr. Bank & Invert Stabilization, Maint. Access Rd.)
Local Action
Site Plan
Project Issues
Aesthetics Agriculture and Forestry Resources Air Quality Biological Resources Cultural Resources Cumulative Effects Drainage/Absorption Flood Plain/Flooding Geology/Soils Growth Inducement Hazards & Hazardous Materials Hydrology/Water Quality Land Use/Planning Mineral Resources Noise Population/Housing Public Services Recreation Schools/Universities Solid Waste Transportation Vegetation Wildfire
Reviewing Agencies
California Department of Parks and Recreation California Department of Transportation, District 8 (DOT) California Highway Patrol California Native American Heritage Commission (NAHC) California State Lands Commission (SLC) Department of Fish and Wildlife, Region 6 Department of Water Resources Office of Emergency Services, California Resources Agency State Water Resources Control Board, Division of Drinking Water State Water Resources Control Board, Division of Water Rights Department of Toxic Substances Control California Regional Water Quality Control Board, Lahontan Victorville Region 6 (RWQCB)

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613.

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