TornadoLiveMap

Marsh Creek Reservoir — water level right now

Contra Costa County, California · NWS gauge MCBC1
Loading the latest reading…
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current stage (ft)
 
192
minor flood stage
 
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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 · 168
minor · 192
Flood stageLevel (ft)What it means
Minor flood stage192low-lying roads and fields near the river start to flood
Action stage168water is approaching flood level — time to pay attention

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

Arroyo Las Positas above El Charro Rd 15 mi away · loading… Alamo Canal near Pleasanton 17 mi away · loading… Sacramento River at Rio Vista Bridge 19 mi away · loading… Arroyo de la Laguna at Verona 20 mi away · loading… Crow Creek near Hayward 22 mi away · loading… San Lorenzo Creek (Alameda) above Hayward 23 mi away · loading…

Gauge details

NWS gauge IDMCBC1
CountyContra Costa
StateCalifornia
NWS forecast officeMonterey
River forecast centerCalifornia Nevada River Forecast Center
Coordinates37.89, -121.726
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 Marsh Creek Reservoir

Is Marsh Creek Reservoir 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 192 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Marsh Creek Reservoir ?

minor flood stage 192 ft, action stage 168 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.