Is the St. Marys River flooding?

Ohio · 2 gauges · Ohio river levels

The St. Marys River is tracked by 2 USGS streamgauges in Ohio. This page compares each gauge’s live water level against its official National Weather Service flood stage, refreshed every 15 minutes, so you can tell whether the St. Marys River is running normal, rising toward flood stage, or already flooding. 1 of 2 gauges have both a usable water-level reading and a published minor flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all Ohio river levels.

data refreshed 13 min ago

Readings may be delayed; check each observation time below. This gauge summary does not rule out flooding on unmonitored stretches or nearby streets.

River facts

The longest-running gauge on this river is St. Marys River at Rockford OH. The highest level ever recorded there was 14.68 ft on 17 June 2015, carrying 8,230 cfs. Peak records there go back to 2005 (20 annual peaks). It is currently at 1.94 ft, 12.7 ft below that record.

Drains 340 sq mi · gauge elevation 787 ft · source: USGS peak-flow record

Gauge	Status	Stage	Flood stage	Updated
St. Marys River at Rockford OH	No flooding	1.94 ft	13 ft	50 min ago
St Marys River at Walcot Street at Willshire OH	No flood stage defined	3.01 ft	—	2 hours ago

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.