Novato Creek Maintenance Sediment Removal and Wetland Enhancement Project

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Heron's Beak Pond
Heron’s Beak pond in 2020, after placement of sediment removed from Novato Creek

Sediment is removed every four years from Novato Creek, Warner Creek, and Arroyo Avichi between approximately Diablo Ave and the SMART railroad crossing downstream of Rowland Way.

The most recent removal was between July and October 2020. Sediment was beneficially reused on a proposed future ecotone levee in Deer Island Basin and in Heron’s Beak Pond. This helped prepare these basins for future restoration efforts. This work was completed by Team Ghilotti for about $1.6 million.

A study was recently conducted for a hydraulic model of the sediment removal to evaluate effectiveness.

Over the next few years the advisory board will evaluate potential projects that may be more effective at protecting downtown Novato than sediment removal, such as tide gates and pump stations. In 2023 the District will work with the Flood Zone 1 Advisory Board to recommend rescheduling the next full sediment removal to 2025. Under the existing Programmatic Maintenance permits, the District will evaluate the need for smaller scale sediment removal and vegetation management in 2023 and 2024.

Zone 1: Novato

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