TornadoLiveMap

Willow Brook at Stony Point Road — water level right now

Sonoma County, California · NWS gauge PTVC1
Loading the latest reading…
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current stage (ft)
 
37.7
minor flood stage
 
37.13
record crest
set 1998-02-03
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flood status
official NWS category
Official NOAA forecast → Full US flood map →

Flood stages at this gauge

Where the water stands right now against the four official thresholds:

action · 33.7
minor · 37.7
moderate · 39
major · 40.4
Flood stageLevel (ft)What it means
Major flood stage40.4extensive inundation and significant evacuations — a serious event
Moderate flood stage39some buildings and roads inundated; evacuations possible
Minor flood stage37.7low-lying roads and fields near the river start to flood
Action stage33.7water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
137.131998-02-030.57 below
237.031998-02-190.67 below
335.831998-02-071.87 below

Historic crests recorded at this gauge by the National Weather Service — the 12 highest on file.

Where this gauge is

The marker is this gauge; nearby gauges load live and are clickable.

Nearby river gauges

Petaluma River at Corona Road 1 mi away · loading… Petaluma River at Twin Bridges 1 mi away · loading… Wiggins Creek at Rainsville Road 1 mi away · loading… Willow Brook at Old Redwood Highway Bridge 1 mi away · loading… Corona Creek at Sonoma Mountain Pkwy. 2 mi away · loading… Willow Brook at Penngrove Park 2 mi away · loading…

Gauge details

NWS gauge IDPTVC1
CountySonoma
StateCalifornia
NWS forecast officeMonterey
River forecast centerCalifornia Nevada River Forecast Center
Coordinates38.274, -122.677
Time zonePST8PDT
Turn Around, Don't Drown. Six inches of moving water can knock you off your feet and twelve inches can float a car. Never drive around barricades or into water of unknown depth — most flood deaths happen in vehicles.

Questions about Willow Brook at Stony Point Road

Is Willow Brook at Stony Point Road flooding right now?

The live reading at the top of this page answers that: the gauge is compared against its official NWS flood stages every 15 minutes. Minor flooding at this gauge begins at 37.7 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Willow Brook at Stony Point Road?

major flood stage 40.4 ft, moderate flood stage 39 ft, minor flood stage 37.7 ft, action stage 33.7 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Willow Brook at Stony Point Road?

The highest crest on file at this gauge is 37.13 ft, reached on 1998-02-03 — that is -0.57 ft above minor flood stage. The full list of the highest crests is in the table on this page.

Where does this data come from?

From the NOAA National Water Prediction Service, the official U.S. river gauge network — a U.S. government work in the public domain. Live stage is refreshed every 15 minutes; flood thresholds and historic crests are refreshed monthly. For life-safety decisions follow NWS Monterey and local emergency management.