TornadoLiveMap

Pilarcitos Lake — water level right now

San Mateo County, California · NWS gauge PILC1
Loading the latest reading…
–
current stage (ft)
 
698
minor flood stage
 
–
flood status
official NWS category
Official NOAA forecast → USGS data → Full US flood map →

Flood stages at this gauge

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

minor · 698
Flood stageLevel (ft)What it means
Minor flood stage698low-lying roads and fields near the river start to flood

Highest floods on record here

The National Weather Service has no historic crest list on file for this gauge.

Where this gauge is

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

Nearby river gauges

Lower Crystal Springs Reservoir at Dam 4 mi away · loading… Belmont Creek at Harbor Blvd at Old County Road 9 mi away · loading… San Francisquito Creek at Stanford University 15 mi away · loading… San Francisquito Creek at Pope-Chaucer (SFPC) 16 mi away · loading… San Francisquito Creek at Waverly (SFWS) 16 mi away · loading… San Lorenzo Creek (Alameda) at San Lorenzo 18 mi away · loading…

Gauge details

NWS gauge IDPILC1
USGS site11162618
CountySan Mateo
StateCalifornia
NWS forecast officeMonterey
River forecast centerCalifornia Nevada River Forecast Center
Coordinates37.549, -122.422
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 Pilarcitos Lake

Is Pilarcitos Lake 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 698 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Pilarcitos Lake ?

minor flood stage 698 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

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.