Nathanson C a Sonoma CA

Sonoma County, California · USGS gauge 11458600 · NWS NTSC1 · California river levels

Is Nathanson C a Sonoma CA flooding right now?

Nathanson C a Sonoma CA measured -0.20 ft on 2026-10-27 18:15:00 UTC. No NWS minor flood stage is published for this gauge.

Gauge height

-0.20 ft

as of 2 hours ago

Streamflow

—

data refreshed 13 min ago

No National Weather Service flood stage is published for this gauge, so no flood category can be shown — why some gauges have no flood stage.

Last 7 days

Past 7 days · -0.21–1.21 ft

Nearby gauges

Gauge	Distance	County
Sonoma C a Agua Caliente CA	3.6 mi	Sonoma County
Napa River near Napa CA	10.2 mi	Napa County
Petaluma River a Copland Pumping Station a Petaluma CA	10.4 mi	Sonoma County
Sonoma Creek a Kenwood CA	11.1 mi	Sonoma County
Novato C a Novato CA	13.7 mi	Marin County

Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast