Caltrans, Highway 101 & 271 Culvert Rehabilitation Project


SCH Number
Public Agency
Regional Water Quality Control Board, Region 1 (North Coast), Santa Rosa
Document Title
Caltrans, Highway 101 & 271 Culvert Rehabilitation Project
Document Type
NOE - Notice of Exemption
Document Description
The project consists of seven culverts located within Mendocino County. Three culverts are located along Highways 101 at post mile (PM) markers 54.53, 59.30 and 95.88. In addition, four culverts are located along Highway 271 at PM markers 0.11, 0.78, 18.32 and 20.64. The proposed project will cause disturbance to waters of the United States (U.S.) and waters of the State. The purposes and objectives of the project are to repair and upgrade the culverts and down drains to protect the roadway from erosion related structural failures. The proposed construction activities will consist of: installing new corrugated metal or steel pipes; replacing headwalls; installing culvert flumes, aprons, and sections and downdrains; installing rock slope protection; re vegetation; and erosion control.

Contact Information

Jeremiah Puget
Agency Name
Regional Water Quality Control Board, Region 1 (North Coast), Sa
Contact Types
Lead/Public Agency



Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Sec 15301
Reasons for Exemption
Existing Highway with minor expansion of facility for the purpose of fish habitat restoration.

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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