Ohio River at Hannibal Lock and Dam (Lower), OH

Monroe County, Ohio · USGS gauge 03114280 · NWS HANO1 · Ohio River flood status · Ohio river levels

Is Ohio River at Hannibal Lock and Dam (Lower), OH flooding right now?

Ohio River at Hannibal Lock and Dam (Lower), OH measured 16.02 ft on 2026-09-10 22:00:00 UTC. That observation was 19.0 ft below its 35 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
16.02 ft
as of 4 hours ago
Streamflow
data refreshed 5 min ago

Minor flooding here begins at 35 ft, with major flooding at 40 ft. The highest crest on record was 51.2 ft on Sat, Mar 29, 1913.

Flood forecast

NWS forecast, issued 12 hours ago. Forecasts are issued for select river points and update through the day.

Flood stages at this gauge

CategoryStageCurrent distance
Action24.8 ft8.8 ft below
Minor flood35 ft19.0 ft below
Moderate flood37 ft21.0 ft below
Major flood40 ft24.0 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
51.2 ft1913-03-29
49.4 ft1936-03-20
49.3 ft1884-02-07
47.6 ft1937-01-27
47.3 ft1942-12-31

Nearby gauges

GaugeDistanceCounty
Ohio River at Hannibal Lock and Dam (Upper), OH0.0 miMonroe County
Ohio River above Sardis, OH2.6 miMonroe County
Sunfish Creek at Cameron OH7.8 miMonroe County
Middle Island Creek at Hwy 18 near Middlebourne, WV12.8 miTyler County
Middle Island Creek at Little, WV15.0 miTyler County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast