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Hydrograph River at a Glance Download
South Fork Crow River at Delano Stage (ft)Flow (kcfs)MN DNR Division of Ecological and Water ResourcesDELM5(plotting HGIRG) Graph Created (10:30AM Mar 3, 2015)Flood Stage is 16.5 ft
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Tabular Data (UTC)
Tabular Data (CST)
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Datum: NGVD29
NOTE: Gauge readings are temporarily unavailable.

NOTE: Gauge reading may be affected by ice.

NOTE: Forecasts for the South Fork Crow River at Delano are issued as needed during times of high water, but are not routinely available.

More information on datums is available at

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Upstream Gauge - near Mayer Upstream Gauge Downstream Gauge Downstream Gauge - at Rockford
Flood Categories (in feet)
Major Flood Stage: 18.5
Moderate Flood Stage: 17.5
Flood Stage: 16.5
Action Stage: 11.5
Low Stage (in feet): 0

Historic Crests
(1) 23.25 ft on 04/14/1965
(2) 21.02 ft on 06/24/2014 (P)
(3) 20.45 ft on 04/12/1969
(4) 20.30 ft on 03/21/2010
(5) 20.00 ft on 03/28/2011
(6) 19.95 ft on 04/15/2001
(7) 19.25 ft on 04/08/1997
(8) 18.85 ft on 04/30/2001
(9) 18.75 ft on 06/25/1993
(10) 18.75 ft on 09/16/1991
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 21.02 ft on 06/24/2014 (P)
(2) 17.03 ft on 06/09/2014
(3) 17.90 ft on 06/29/2013 (P)
(4) 12.56 ft on 05/25/2013 (P)
(5) 11.66 ft on 04/26/2013
(6) 11.54 ft on 04/05/2013
(7) 17.17 ft on 06/25/2012
(8) 16.76 ft on 05/31/2012
(9) 13.85 ft on 05/12/2012
(10) 18.65 ft on 04/08/2011 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 4.86 ft on 10/08/2001

For more information on your flood risk go to

Zoom Level:16
KML Image
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
24.95 Water begins to flow over the dike on the west side of town.
21.85 Water may begin to flow over the bridge on Bridge Street.
21.05 Water begins to flow over the dike on the east side of the river at Second Street.
20.3 Water seeps through east bank along N River Street/CR 17.
18.95 Sanitary sewers may need plugging at this stage to prevent water from backing up into homes.
18.35 The southwest part of Delano begins to experience flooding.
16.85 Storms sewers may need plugging to prevent river water from backing up into city streets.
15.35 Water begins encroaching on Mill Avenue north of Watertown.
14.85 Minor basement flooding may begin to occur at homes closest to the river.
13.85 Carver County Road 123 between Mayer and Watertown becomes flooded.
(1) Looking Upriver
(2) Looking Downriver
(3) Gage Bridge
About This Location Collapse

Latitude: 45.041944° N, Longitude: 93.789722° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 16.5 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 29 900.00 ft 916.5 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
Additional Information Collapse
  • Gauge maintained by MN DNR.
  • MN DNR Web Link
  • How low could the river go?
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    Hydrologic Resources Additional Resources
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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
    Twin Cities/Chanhassen Weather Forecast Office
    1733 Lake Drive West
    Chanhassen, MN 55317-8581
    (952) 361-6708
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    Page last modified: 12-Feb-2015 9:35 PM
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