2006 Pond System Repair Project (Project)


SCH Number
Lead Agency
Napa Sanitation District
Document Title
2006 Pond System Repair Project (Project)
Document Type
NOE - Notice of Exemption

Document Description
The southwestern levee section of Storage Pond 3 has experienced significant settlement over the years reducing the mandated 24-inch freeboard to approximately 6-inches. Freeboard is the minimum safe distance between the storage pond water level and the top of levee embankment. The intent of the project is to raise the Storage Pond 3 levee elevation to restore the 24-inch freeboard. The project also includes repairing portions of the levee section repaired in 2003 to address the flood damage to the exterior slope of the embankment and rehabilitation of selected portions of the levee travel way that have experienced localized rutting.

Contact Information
Brian Thomas
Napa Sanitation District
935 Hartle Court
Napa, CA 94510

(707) 745-2363 x530



Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Section 15302(c)
Reasons for Exemption
Construction activities for the project will occur within the footprint of the existing pond embankment structures. The project will not increase the capacity or expand the footprint of the treatment ponds. This corresponds to a Class 2 Categorical Exemption, CEQA Guidelines Section 15302(c) - replace or reconstruction of existing utility systems involving negligible or no expansion of capacity.
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