Collectors 1 & 1A Lateral Replacement Project


SCH Number
Public Agency
Humboldt Bay Municipal Water District
Document Title
Collectors 1 & 1A Lateral Replacement Project
Document Type
NOE - Notice of Exemption

Document Description
This project would include the installation of two new laterals at Collector 1 and three new laterals at Collector 1A that would effectively replace the existing laterals in these collectors. The construction process consist of the placement of a large hydraulic ram into the bottom of the concrete caisson, which projects the new laterals out horizontally into the surrounding gravel matrix. The valves on the existing laterals will be closed and the caissons dewatered. Holes are then cored through the walls of the caisson at the locationof the proposed new laterals, which would be located just above the existing laterals at a depth of approximately 70-feet below ground surface.

Contact Information
Paul Helliker
Humboldt Bay Municipal Water District
Lead/Public Agency
828 Seventh Street
Eureka, CA 95501

Phone : (707) 443-5018


Other Location Info
Between Blue Lake and Arcata

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15301, 15302, 15303
Reasons for Exemption
Maintenance and minor alteration of exisitng public facility and replacement or reconstruction of existing utility systems and new construction of small facilities.

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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