From Sfgate · · 50s
King Tides Threaten Marin County Levee
Marin County's failing levee faces rising flood risks as king tides approach.
In brief
Marin County's failing levee faces rising flood risks as king tides approach. Marin County's deteriorating levee risks flooding 700 homes during king tides this week. Originally reported by Sfgate.
Floodwaters in Marin County

Floodwaters covered roads in Marin County during high tide in Mill Valley, Calif., on Oct. 29, 2026.
Deteriorating Levee System
A deteriorating 2-mile levee protects 700 homes in an unincorporated community of San Rafael.
Marin County Supervisor's Warning
Marin County Supervisor Mary Sackett warned of water seeping through the timber-reinforced berm.
King Tides and El Niño Impact
King tides caused by a full moon and El Niño increased seawater volume and sea-level rise.
Emergency Measures for Flooding
Marin County is installing emergency flood protection measures including steel sheet piles and sandbags.
The headline
Marin County's deteriorating levee risks flooding 700 homes during king tides this week.

