Twin Creek Orange Show Road Storm Drain Project

2 Documents in Project


SCH Number
Lead Agency
San Bernardino, City of (City of San Bernardino)
Document Title
Twin Creek Orange Show Road Storm Drain Project
Document Type
MND - Mitigated Negative Declaration
Present Land Use
Twin Creek Channel designated Public Flood Control (PFC), all land adjacent to the project site is designated Industrial and zoned Light Industrial and Office-Industrial Park

Document Description
The Twin Creek Orange Show Road Storm Drain project is located in the City of San Bernardino, County of San Bernardino, CA. The City operates the drainage system infrastructure within its boundaries. The Twin Creek Orange Show Road storm drain system was originally constructed in 2002. The existing system is 36" reinforced concrete pipe (RCP) which discharges 92 cubic feet per second (cfs) into Twin Creek, although it is unclear what storm event this flow rate represents. The upstream end of the existing 36-inch drain line is just east of the railroad crossing near Amos Avenue, approximately 1,100 feet east of the Twin Creek channel.

Contact Information
Aron Liang
City of San Bernardino
300 North D Street, 3rd Floor
San Bernardino, CA 92418

Phone : (909) 384-5057 x3330


34°4'47"N 117°16'41"W
San Bernardino
San Bernardino
Cross Streets
Orange Show Road, Twin Creek, Lena Road, Norman Road
Total Acres
State Highways
Hwy 10
San Bernardino Int'l Airport

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Storm Drain)
Local Action
Other Action Other Action: Storm Drain
Project Issues
Aesthetic/Visual Agricultural Land Air Quality Archaeologic-Historic Biological Resources Coastal Zone Flood Plain/Flooding Forest Land/Fire Hazard Geologic/Seismic Noise Public Services Recreation/Parks Soil Erosion/Compaction/Grading Toxic/Hazardous Traffic/Circulation Vegetation Water Supply Wetland/Riparian Wildlife Land Use
Reviewing Agencies
California Air Resources Board California Department of Parks and Recreation California Department of Transportation, District 8 California Highway Patrol California Native American Heritage Commission California Regional Water Quality Control Board, Santa Ana Region 8 Caltrans, Division of Aeronautics Department of Water Resources Office of Emergency Services, California Office of Historic Preservation Resources Agency Department of Fish and Wildlife, Region 6

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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