Pine Mountain Tunnel Tanks Replacement Project

2 Documents in Project

Summary

SCH Number
2021090343
Lead Agency
Marin Municipal Water District
Document Title
Pine Mountain Tunnel Tanks Replacement Project
Document Type
NOD - Notice of Determination
Received
Posted
12/29/2021
Document Description
Constructed in the late 1091s to convey water from Alpine Reservoir to Fairfax and San Rafael, Pine Mountain Tunnel was converted to water storage facility in 1971 and remains in that use today. Marin Water propose to cease using the Pine Mountain Tunnel for water storage, and to replace the existing storage by building two, 2-million-gallon concrete water storage tanks on Marin Water's watershed property. The tanks would be connected to an existing 30-inch pipeline in Concrete Pipe Road with minimal piping interconnection the tanks. No Project related activity is anticipated at the Pine Mountain Tunnel site, other than draining the Tunnel when the replacement tanks have been commissioned and are in use.

Contact Information

Name
Alex Anaya
Agency Name
Marin Municipal Water District
Job Title
Engineering Manager, Design
Contact Types
Lead/Public Agency

Location

Cities
Fairfax
Counties
Marin
Regions
San Francisco Bay Area
Cross Streets
Concredte Pipe Road near Bolinas Road
Total Acres
0.7
Parcel #
197-120-23
Waterways
Bon Tempe Lake, Alpine Lake
Township
1N
Range
7W
Section
2
Base
Mt. Diab

Notice of Determination

Approving Agency
Marin Municipal Water District
Approving Agency Role
Lead Agency
Approved On
County Clerk
Marin
Final Environmental Document Available at
Marin Municipal Water District, 220 Nellen Avenue, Corte Madera, CA 94925

Determinations

(1) The project will have a significant impact on the environment
No
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
No
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
Yes
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
No
(3) Mitigated measures were made a condition of the approval of the project
Yes
(4) A mitigation reporting or monitoring plan was adopted for this project
Yes
(5) A Statement of Overriding Considerations was adopted for this project
No
(6) Findings were made pursuant to the provisions of CEQA
No

Attachments

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