Approximately 98 parcels along Gallinas Creek in Flood Zone 7 (Santa Venetia) have timber-reinforced berms (TRB) along the levee to provide additional protection against high tides.
The TRB was constructed about 40 years ago in response to flooding during the early 1980s. While the TRB reduces the flood risk for approximately 600 parcels in the community, the wooden box-style structure has exceeded its service life. The TRB has exposed sections and the earthen levee upon which it is built is experiencing erosion. This condition compromises the integrity of the structure and its capacity to reduce flooding.
While a complete re-build of the levee is being pursued for Zone 7 (see the separate project here), the District will continue to perform annual maintenance of the TRB as much as the Zone 7 budget allows.
In 2025, TRB maintenance work is planned to be performed at a selection of high priority location(s).
Timeline
September 2025
Start of maintenance work
November 2025
Expected completion of maintenance work, except for 5-years of ongoing monitoring and reporting to comply with permits
Funding
The estimated cost for the maintenance planned for 2025 has yet to be determined. This maintenance work is funded by Flood Zone 7.
Starting the week of September 2, 2024, the Marin County Flood Control & Water Conservation District (District) will begin maintenance work on the Timber-Reinforced Berm (TRB), located behind privately owned backyards directly adjacent to Gallinas Creek. You may notice work crews and equipment in the Santa Venetia neighborhood during this time. The maintenance work is...
