LAKE 175 Culvert/Slipout Repair
Summary
SCH Number
2022030289
Public Agency
California Department of Transportation, District 1
(DOT)
Document Title
LAKE 175 Culvert/Slipout Repair
Document Type
NOE - Notice of Exemption
Received
Posted
3/9/2022
Document Description
Caltrans District 1 proposes to correct the slide and culvert failure that occurred on SR-175 Post Mile (P.M.) 0.3. On December 26,2021 a large storm front impacted Lake County bringing heavy precipitation and snowfall. The storm caused slope saturation causing a large slip-out to develop below the roadway, resulting in separation of the culvert downdrain, further exacerbating the erosion and threatening the roadway. Caltrans proposes to repair and stabilize the embankment and repair or replace the failed culvert and/or downdrains. The drainage area that leads to the rock energy dissipator that failed in the slide will be reconstructed to stabilize the embankment.
Contact Information
Name
Laurel Osborn
Agency Name
Caltrans
Job Title
Associate Environmental Planner
Contact Types
Lead/Public Agency / Project Applicant
Phone
Email
Location
Cities
Hopland
Counties
Lake
Regions
Unincorporated
Cross Streets
SR 175
State Highways
175
Other Location Info
LAKE 175 post mile 0.0 to 1.5
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Class 1
Reasons for Exemption
The project is exempt because it will not have a significant effect on the environment due to unusual circumstances, it does not damage a scenic resource, it is not on the "Cortese List", there will not be significant adverse impacts on endangered, rare, or threatened species or their habitat, and it does not cause a substantial adverse change in the significance of historical resources.
County Clerk
Lake
Attachments
Notice of Exemption
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