McCartney Residence - Culvert Installation, Unnamed Tributary to Mill Creek
Summary
SCH Number
2012108079
Public Agency
Regional Water Quality Control Board, Region 1 (North Coast), Santa Rosa
Document Title
McCartney Residence - Culvert Installation, Unnamed Tributary to Mill Creek
Document Type
NOE - Notice of Exemption
Received
Posted
10/4/2012
Document Description
The primary purpose of the project is to improve the existing roadway and wet stream crossing to provide reliable access to the Applicant's residential parcel during all seasons. The project will eliminate the existing wet ford crossing so vehicles will no longer be driving directly through the muddy streambed. Road improvements include installation of two culverts. A 24-inch diameter and 30-foot long corrugated plastic culvert will be installed where the road crosses an intermittent stream channel and an 18-inch diameter and 20-foot long culvert will be installed at a location where water will flow during storm events. The 30-foot long culvert will be embedded six inches into the road bed and the 20-foot long culvert will be installed at the existing grade. Excavated soil will be incorporated into the 75-foot long roadway and a 75-foot long section of the roadway will be elevated approximately three feet with clean imported quarry rock. The inlets and outlets will be armored with rock. All work will occur within the existing 17-foot wide roadway.
Contact Information
Name
Dean Prat
Agency Name
Regional Water Quality Control Board, Region 1 (North Coast), Sa
Contact Types
Lead/Public Agency
Phone
Location
Counties
Humboldt
Other Location Info
McKinleyville
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15301
Reasons for Exemption
existing facilities
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