Lakeview Canyon Vehicle Bridges Replacement Project

Summary

SCH Number
2020100500
Lead Agency
Regional Water Quality Control Board, Region 6 - South Lake Tahoe (California Regional Water Quality Control Board, Lahontan South Lake Tahoe Region 6 )
Document Title
Lakeview Canyon Vehicle Bridges Replacement Project
Document Type
NOE - Notice of Exemption
Received
Posted
10/26/2020

Document Description
The purpose of the Project is to replace two failed log stringer bridges on Lakeview Canyon Road within Donner Memorial State Park, Placer County. The bridges span two unnamed intermittent streams tributary to Donner Lake. Approximately 2 cubic yards of sediment deposited as a result of damming effects of Bridge 2 will be removed to avoid potential impacts to water quality and to the 100-year floodplain. Bridge abutments will be constructed of poured concrete on existing permanent roads outside of the 100-year floodplain and WOS. The installation of the bridges will not result in any permanent impacts to WOS and the removal of the existing collapsed bridges and captured sediment will result in a net enhancement to WOS. Bridge removal is proposed to occur when both intermittent streams are dry. The replaced bridges will provide sufficient freeboard for flood flows to pass unimpeded and will not cause any permanent impacts to WOS or the 100-year flood plain. Temporary in-channel disturbance will result from the removal of existing log stringer bridges and replacement with rock rip-rap. Temporary upland disturbance will result from equipment operation and material staging.

Contact Information
Adam Henriques
Lahontan Regional Water Quality Control Board
2501 Lake Tahoe Blvd.
South lake Tahoe, CA 96150

Phone : (530) 542-5439

Location

Coordinates
39°23'27.4"N 120°17'21.2"W
Cities
Truckee
Counties
Placer
Cross Streets
Lakeview Canyon Road
Zip
96161

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Replacement or Reconstruction, Sec. 15302
Reasons for Exemption
The RWQCB, Lahontan Region finds that this project, as permitted, will not have a significant effect on the environment and shall, therefore, be exempt from the provisions of the California Environmental Quality Act (CEQA) pursuant to Section 15304, Minor Alterations to Land.

Attachments

Notice of Exemption
2020100500_Encl 2_CEQA NOE   PDF 188 K

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