City of Petaluma Maintenance Dredging (Lake or Streambed Alteration Agreement No. 1600-2020- 0016-R3) Amendment 2


SCH Number
Public Agency
California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW)
Document Title
City of Petaluma Maintenance Dredging (Lake or Streambed Alteration Agreement No. 1600-2020- 0016-R3) Amendment 2
Document Type
NOE - Notice of Exemption
Document Description
The project is limited to the dredging of sediment from the Petaluma Marina and the Petaluma River Federal Navigation Channel and Turning Basin. Routine dredging episodes will occur over 5 years and will encompass the entire footprint of the Petaluma Marina and selected areas of the Federal Channel and Turning Basin as needed. It is estimated that up to 120,000 cubic yards of material will be removed from the 7.2-acre marina during the first dredging episode. This project includes up to five dredge episodes, for a maximum a total of 350,000 cubic yards of sediment to be removed. The project as amended also includes removal of six 16-inch diameter steel piles and nine 12-inch creosote treated timber piles to be replaced with fourteen 16-inch diameter steel piles and removal of existing gangways and adjacent structures, to be replaced with steel gangways and gangway landing platforms. The project as further amended allows for the use of an impact hammer and/or rock socketing to drive new piles.

Contact Information

James Hansen
Agency Name
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency


Northern California, San Francisco Bay Area
Other Location Info
The project is located on the Petaluma River at 781 Baywood Drive, Petaluma, in the County of Sonoma.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class (1); California Code of Regulations, title 14, section 15301
Reasons for Exemption
Project consists of the operation, repair, maintenance, permitting, leasing, licensing, or minor alteration of existing public or private structures, facilities, mechanical equipment, or topographical features, involving negligible or no expansion of existing or former use.
County Clerk


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