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Hydrograph River at a Glance Download
Grand River at Eaton Rapids Stage (ft)Flow (kcfs)ETNM4(plotting HGIRZ) Graph Created (7:48AM Aug 1, 2014)Flood Stage is 6 ft
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NOTE: Automated gauge readings are unavailable, readings taken manually.

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Grand River at Eaton Rapids are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Jackson Upstream Gauge Downstream Gauge Downstream Gauge - at Dimondale
Flood Categories (in feet)
Major Flood Stage:9
Moderate Flood Stage:8
Flood Stage:6
Action Stage:5

Historical Crests
(1) 9.10 ft on 04/06/1947
(2) 7.10 ft on 05/27/1937
(3) 7.00 ft on 04/05/1950
(4) 6.50 ft on 03/20/1948
(5) 6.20 ft on 09/16/2008
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(P): Preliminary values subject to further review.

Low Water Records
Zoom Level:16
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Gauge LocationGauge Map Marker
Disclaimer
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
9 Expect major flooding of structures on Hall Street... West of Hamlin Street... and West Knight Street. Water is curb deep on Main Street
7 Expect minor flooding of the business district in Eaton Rapids. Island Park in the city of Eaton Rapids is flooded
6 Expect minor flooding of low lying areas and basements along River Street in Eaton Rapids. Island Park in the city of Eaton Rapids begins to flood
5 River is bankfull. Expect minor overflow into low lying areas
Photos
(1) NWS staff gage on Knight Street Bridge
(2) Smithville Dam on the Grand River near Eaton Rapids
(3) Looking East along Knight Street Bridge
(4) Grand River in Eaton Rapids at Dam near State Street Bridge
(5) Grand River looking downstream at Island Park in Eaton Rapids
(6) Island Park in Eaton Rapids
About This Location Collapse

Latitude: 42.512778° N, Longitude: 84.654167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 6 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(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 29 859.15 ft 865.15 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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How low could the river get?
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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
Grand Rapids Weather Forecast Office
4899 South Complex Drive SE
Grand Rapids, MI 49512-4034
(616) 949-0643
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Page last modified: 16-Jul-2014 12:48 AM
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