TornadoLiveMap

St. Marys River at Rockford — water level right now

Mercer County, Ohio · NWS gauge RFDO1
Loading the latest reading…
–
current stage (ft)
 
13
minor flood stage
 
14.68
record crest
set 2015-06-18
–
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 · 10
minor · 13
moderate · 15
major · 18
Flood stageLevel (ft)What it means
Major flood stage18extensive inundation and significant evacuations — a serious event
Moderate flood stage15some buildings and roads inundated; evacuations possible
Minor flood stage13low-lying roads and fields near the river start to flood
Action stage10water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
114.682015-06-18+1.68 above
214.562008-02-08+1.56 above
314.252011-03-02+1.25 above
413.322019-04-28+0.32 above
513.282019-05-19+0.28 above
612.412007-03-040.59 below
710.582005-12-312.42 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

Auglaize River at Ft. Jennings 27 mi away · loading… Ottawa River near Kalida 30 mi away · loading… Blanchard River at Ottawa 38 mi away · loading… Great Miami River at Sidney 38 mi away · loading… Loramie Creek near Lockington 39 mi away · loading… Auglaize River near Defiance 40 mi away · loading…

Gauge details

NWS gauge IDRFDO1
USGS site04180988
CountyMercer
StateOhio
NWS forecast officeWilmington
River forecast centerOhio River Forecast Center
Coordinates40.695, -84.647
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 St. Marys River at Rockford

Is St. Marys River at Rockford 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 13 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for St. Marys River at Rockford?

major flood stage 18 ft, moderate flood stage 15 ft, minor flood stage 13 ft, action stage 10 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at St. Marys River at Rockford?

The highest crest on file at this gauge is 14.68 ft, reached on 2015-06-18 — that is 1.68 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.