Combie and Ophir 2&3 Siphon Replacement Project


SCH Number
Lead Agency
Nevada Irrigation District
Document Title
Combie and Ophir 2&3 Siphon Replacement Project
Document Type
MND - Mitigated Negative Declaration
Present Land Use
The Combie and Ophir 2&3 Siphon Replacement Project (Project) involves the replacement of three existing underground siphon pipelines. These siphons are each over fifty years old, are nearing the end of their useful life, and require resizing to address approved future flow needs. The siphons are part of NID’s Combie & Ophir 2 and 3 raw water delivery system.
Document Description
General Plan designation of Rural Residential 2.3 – 4.6 Acres Minimum and zoning designation of Residential Single Family

Contact Information

Adrian Schneider
Agency Name
Nevada Irrigation District (NID)
Job Title
Senior Engineer
Contact Types
Lead/Public Agency


Cross Streets
Witt Road, Education Street, and Dry Creek Road
Parcel #
State Highways
Auburn Municipal Airport
Rock Creek Elementary
8 East
Mount Di
Other Location Info
The Proposed Project is located Placer County, in the North Auburn area, primarily east of Highway 49 and north of Bell Road with siphon crossings of Orr Creek, Dry Creek and Rock Creek.

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Transportation, District 3 (DOT), California Department of Transportation, Division of Aeronautics (DOT), California Department of Transportation, Division of Transportation Planning (DOT), California Department of Water Resources (DWR), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Regional Water Quality Control Board, Central Valley Sacramento Region 5 (RWQCB), Central Valley Flood Protection Board, Office of Historic Preservation, Sierra Nevada Conservancy, State Water Resources Control Board, Division of Water Quality, California Department of Fish and Wildlife, North Central Region 2 (CDFW)
State Reviewing Agency Comments
California Department of Fish and Wildlife, North Central Region 2 (CDFW)
Development Types
Other (Siphon replacement)
Local Actions
Site Plan
Project Issues
Biological Resources, Geology/Soils, Hazards & Hazardous Materials, archeological/Historical, Water Quality, Paleontological
Local Review Period Start
Local Review Period End


Notice of Completion [NOC] Transmittal form
State Comment Letters [Comments from State Reviewing Agency(ies)]

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