Two Mile Bar Tunnel Project


SCH Number
Lead Agency
Oakdale Irrigation District
Document Title
Two Mile Bar Tunnel Project
Document Type
MND - Mitigated Negative Declaration
Present Land Use
Agriculture, Agriculture A-2-10 Zoning, Agriculture General Plan Designation

Document Description
Construct/excavate a tunnel by conventional mining (mechanical and drill and blast) methods to replace a portion of the Oakdale Irrigation District South Main Canal that has a high risk hazard due to potential rock fall from above. The upstream portal is located near the Two Mile Bar Recreation Area parking lot in Tuolumne County and continues south west for approximately 5,860 ft where it will tie back into the existing South Main Canal in Stanislaus County (APN 002-041-029) (between approximately 37,50,23.19"N, 121,38,23.12"W and 37,49',35.74"N, 121, 39'9.14"W). The cross-sectional area of the tunnel is horseshoe-shaped measuring 10.5 feet at the bottom, 14 feet high at the center and will be located 200 feet below ground surface. 2/3's of tunnel spoils will be used to fill in the old canal section to create a gated, emergency access road.

Contact Information
Steve Knell
Oakdale Irrigation District
1205 East F Street
Oakdale, CA 95361

Phone : (209) 840-5508


37°50'23.19"N 121°38'23.12"W
Stanislaus Tuolumne
Cross Streets
Two Mile Bar Road, Highway 108/120 and Kennedy Road, Highway 108/120
Total Acres
Parcel #
State Highways
Knights Ferry Elem.
Stanislaus River
Other Location Info
City/Nearest Community: Knights Ferry
Other Information
Section cont, 28

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Tunnel)
Local Action
Other Action Other Action: construction
Project Issues
Air Quality Archaeologic-Historic Biological Resources Noise Recreation/Parks Soil Erosion/Compaction/Grading Toxic/Hazardous Water Quality Wetland/Riparian Land Use
Reviewing Agencies
Cal Fire California Department of Conservation California Department of Parks and Recreation California Department of Transportation, District 10 California Highway Patrol California Regional Water Quality Control Board, Central Valley Sacramento Region 5 California State Lands Commission Department of Water Resources Resources Agency State Water Resources Control Board, Division of Water Rights California Native American Heritage Commission California Department of Fish and Wildlife, Central Region 4

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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