TornadoLiveMap

Great Miami River at Hamilton — water level right now

Butler County, Ohio · NWS gauge HAMO1
Loading the latest reading…
–
current stage (ft)
 
75
minor flood stage
 
79.2
record crest
set 1959-01-21
–
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 · 73
minor · 75
moderate · 82
major · 89.5
Flood stageLevel (ft)What it means
Major flood stage89.5extensive inundation and significant evacuations — a serious event
Moderate flood stage82some buildings and roads inundated; evacuations possible
Minor flood stage75low-lying roads and fields near the river start to flood
Action stage73water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
179.21959-01-21+4.2 above
276.61943-03-19+1.6 above
376.51929-02-26+1.5 above
476.331937-01-22+1.33 above
575.951952-01-27+0.95 above
675.842004-01-05+0.84 above
775.572005-01-06+0.57 above
875.411968-05-24+0.41 above
975.152008-03-19+0.15 above
1074.961963-03-050.04 below
1174.51949-01-060.5 below
1274.51945-01-060.5 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

Mill Creek at Kemper 10 mi away · loading… Great Miami River at Middletown 12 mi away · loading… Mill Creek at Evendale 12 mi away · loading… Sharon Creek at Sharonville 12 mi away · loading… Great Miami River at Miamitown 14 mi away · loading… Sevenmile Creek at Camden 17 mi away · loading…

Gauge details

NWS gauge IDHAMO1
USGS site03274000
CountyButler
StateOhio
NWS forecast officeWilmington
River forecast centerOhio River Forecast Center
Coordinates39.391, -84.572
Time zoneEST5EDT
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 Great Miami River at Hamilton

Is Great Miami River at Hamilton 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 75 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Great Miami River at Hamilton?

major flood stage 89.5 ft, moderate flood stage 82 ft, minor flood stage 75 ft, action stage 73 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Great Miami River at Hamilton?

The highest crest on file at this gauge is 79.2 ft, reached on 1959-01-21 — that is 4.2 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 Wilmington and local emergency management.