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Hydrograph River at a Glance Download
Maumee River at Grand Rapids Stage (ft)Flow (kcfs)GRRO1(plotting HGIRZ) Graph Created (3:01AM Nov 30, 2015)Flood Stage is 17.5 ft
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Tabular Data (UTC)
Tabular Data (EST)
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Datum: Not Available
NOTE: Forecasts for the Maumee River at Grand Rapids are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - at Napoleon Upstream Gauge Downstream Gauge Downstream Gauge - at Waterville
Flood Categories (in feet)
Major Flood Stage: 19.5
Moderate Flood Stage: 18.5
Flood Stage: 17.5
Action Stage: 11
Low Stage (in feet): 0

Historic Crests
(1) 25.00 ft on 03/07/1904
(2) 23.50 ft on 03/26/1913
(3) 22.75 ft on 03/05/1979
(4) 22.75 ft on 02/12/1959
(5) 22.75 ft on 03/14/1982
(6) 20.81 ft on 03/15/1982
(7) 19.96 ft on 03/23/1978
(8) 19.67 ft on 12/31/1985
(9) 19.50 ft on 03/11/2009
(10) 19.33 ft on 02/08/2008
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 19.20 ft on 06/20/2015
(2) 15.90 ft on 03/02/2011
(3) 19.50 ft on 03/11/2009
(4) 17.50 ft on 02/12/2009
(5) 19.30 ft on 02/09/2008
(6) 19.33 ft on 02/08/2008
(7) 16.00 ft on 08/23/2007
(8) 16.00 ft on 08/23/2007 (P)
(9) 15.35 ft on 01/16/2007
(10) 19.09 ft on 01/15/2005
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to

Zoom Level:16
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Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
22 Major flooding to urban and agricultural areas with widespread damage to public facilities and private property. The downtown business district inundated. Second and Front Street homes and businesses flooded with a couple of feet of water mainly on the west side of town.
20 500 year flood level. The dike protecting Grand Rapids is overtopped and several businesses inundated. Water threatens the railroad bridge upstream where it crosses Wapakoneta Road.
19.5 Front Street inundated. Numerous farm fields and parking lots flooded. Businesses threatened in Grand Rapids.
18.5 100 year flood level. Mary Jane Thursten State Park Campground inundated. Homes in Wood County cut off from emergency access. Portions of route 24 inundated. The metropark facilities inundated.
18 Water starts to cover Front Street just west of the Grand Rapids business district over portions of Beaver, West, and Mill Streets. Campgrounds along the river are under water.
17.5 Flood waters inundate Grand Rapids Road cutting off access to a few homes. Mill Street access on the east end of Front Street Flooded. Route 24 threatened by rising flood waters. Water can back up through storm drains causing flooding on the south side of Grand Rapids.
16.5 Low lying land near Grand Rapids floods.
15 The metropark in Grand Rapids floods and the park service road inundated.
12 Bankfull stage.
11 The river level is hazardous to recrational users.
About This Location Collapse

Latitude: 41.414167° N, Longitude: 83.860833° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 17.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 625.54 ft 640.54 ft  
Additional Information Collapse
Flood stages changed effective Jan 12, 2015.
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Cleveland Weather Forecast Office
Federal Facilities Building Hopkins Airport
Cleveland, OH 44135
(216) 265-2370
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Page last modified: 13-Aug-2015 1:57 AM
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