TornadoLiveMap

Iowa River above Coralville Dam — water level right now

Johnson County, Iowa · NWS gauge CRVI4
Loading the latest reading…
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current stage (ft)
 
712
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:

action · 706.9
minor · 712
Flood stageLevel (ft)What it means
Minor flood stage712low-lying roads and fields near the river start to flood
Action stage706.9water 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

Rapid Creek (IA) near Iowa City 3 mi away · loading… Clear Creek (IA) near Coralville 5 mi away · loading… Iowa River at Iowa City 5 mi away · loading… South Branch Ralston Creek at Iowa City 5 mi away · loading… Old Mans Creek near Iowa City 9 mi away · loading… Clear Creek (IA) near Oxford 11 mi away · loading…

Gauge details

NWS gauge IDCRVI4
USGS site05453510
CountyJohnson
StateIowa
NWS forecast officeDavenport
River forecast centerNorth Central River Forecast Center
Coordinates41.725, -91.528
Time zoneCST6CDT
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 Iowa River above Coralville Dam

Is Iowa River above Coralville Dam 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 712 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Iowa River above Coralville Dam?

minor flood stage 712 ft, action stage 706.9 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 Davenport and local emergency management.