Storm Damage LAKE 175


SCH Number
Public Agency
California Department of Transportation, District 3 (DOT)
Document Title
Storm Damage LAKE 175
Document Type
NOE - Notice of Exemption
Document Description
The California Department of Transportation (Caltrans) issued a Director’s Order for emergency work on State Route (SR) 175 from Post Mile (PM) 0.0 – 1.50 pertaining to damage caused by a series of storms starting on February 24, 2023. This resulted in heavy runoff from the precipitation and melting snow. A large slope failure developed on State Route (SR) 175 in Lake County, at Post Mile (PM) 0.50. Per Caltrans Geotech recommendation. the proposed solution is to stabilize the embankment with Rock Slope Protection (RSP) and restore the facility back to a safe operating condition. The scope of emergency work includes traffic control, regrading and stabilizing 1000CYof embankment, place 4000CY of RSP, install 600LF of under drain, extend existing down drains, install supplemental energy dissipaters, and place erosion control.

Contact Information

Emon Raziani
Agency Name
Job Title
Environmental Coordinator
Contact Types
Lead/Public Agency


Northern California
Other Location Info
State Route 175 from Postmile 0.0-1.50

Notice of Exemption

Exempt Status
Statutory Exemption
Type, Section or Code
PRC 21080[b]; 14 CCR 15260 et seq.
Reasons for Exemption
This emergency project involves minor slope repair(RSP), drainage repairs, stabilize embankment stabilization, and erosion control due to a natural disaster which included heavy rainfall and storms. Projects undertaken, carried out, or approved by a public agency to repair or restore an existing highway damaged by fire, flood, storm, earthquake, land subsidence, gradual earth movement, or landslide are statutorily exempt. Based on Caltrans technical studies performed, there are no significant environmental impacts.
County Clerk


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