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Rock River at Watertown, WI (WATW3)


Data Type




Inundation Levels
NAVD88 Stage

800.48.0
Record Crest: 7.81 ft
799.97.5
799.47.0
798.96.5

Major Flooding Begins

798.46.0

Moderate Flooding Begins

797.95.5

Minor Flooding Begins

797.45.0
796.94.5
796.44.0

Near Flooding Begins

* = Extended rating
Weather Forecast Office Milwaukee/Sullivan, WI North Central River Forecast Center
Hydrograph River at a Glance Download Inundation
Mapping
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Click on mapped inundation to see water depth values for that location, or hold shift and drag to zoom to area.

Current Stage:
1.5 ft at 09/20/2017 04:45:00 UTC
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Inundation Legend
Depth in feet
USGS Gauge Location Gauge Location
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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.

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Map Overlays

Flood Categories (in feet)
Major Flood Stage: 6.5
Moderate Flood Stage: 6
Flood Stage: 5.5
Action Stage: 4
Low Stage (in feet): -9999

Historic Crests
(1) 7.81 ft on 06/13/2008
(2) 6.96 ft on 01/17/1997
(3) 6.32 ft on 04/04/1959
(4) 6.19 ft on 03/31/1979
(5) 6.09 ft on 06/12/2004
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 4.42 ft on 03/12/2017
(2) 3.72 ft on 01/30/2017
(3) 4.44 ft on 04/10/2015 (P)
(4) 4.30 ft on 07/01/2014
(5) 6.00 ft on 04/18/2013
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.25 ft on 10/15/1939
(2) 0.49 ft on 09/19/2012
(3) 0.54 ft on 09/05/2005
(4) 0.58 ft on 06/26/2012
(5) 0.66 ft on 09/12/2003
Show More Low Water Records

Graphical representation of flood inundation for NWS flood categories are based on steady state hydraulic modeling of water surface elevations for incremented discharges. Map shows approximate inundation areas for given water surface elevations and should not be used for navigation or permitting or other legal purposes, but strictly as a planning reference tool.

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7.11 This level is the 1 percent chance flood meaning that there is a 1 percent chance in any given year of the river reaching this level. Floodwaters affect some streets in Watertown. Riverside Park is flooded. About 6 miles upstream near Ixonia, a wayside park along Highway 16 is flooded and closed as is Kanow Park and Rock River Road near Highway 16.
6.65 This level is the 2 percent chance flood meaning that there is a 2 percent chance in any given year of the river reaching this level. Floodwaters affect some streets in Watertown. Water is in Riverside Park. About 6 miles upstream near Ixonia, a wayside park along Highway 16 is flooded and closed as is Kanow Park and Rock River Road near Highway 16.
6 Water nears some streets in Watertown. Water is in Riverside Park in Watertown. About 6 miles upstream near Ixonia, a wayside park on Highway 16 is flooded and closed as is Kanow Park and Rock River Road near Highway 16.
5.91 This level is the 4 percent chance flood meaning that there is a 4 percent chance in any given year of the river reaching this level. There is widespread lowland flooding in rural areas around Watertown. About 6 miles upstream near Ixonia, a wayside park along Highway 16 is flooded and closed as is Kanow Park and Rock River Road near Highway 16.
5.5 There is widespread lowland flooding in rural areas around Watertown. About 6 miles upstream near Ixonia, a wayside park along Highway 16 is flooded and closed as is Kanow Park and Rock River Road near Highway 16.
5.34 About 6 miles upstream near Ixonia, a wayside park on Highway 16 is flooded and closed as is Kanow Park and Rock River Road near Highway 16. This level is the 10 percent chance flood meaning that there is a 10 percent chance in any given year of the river reaching this level.
5 There is minor lowland flooding in rural areas around Watertown. About 6 miles upstream near Ixonia, a wayside park is flooded and closed as is Rock River Road and Kanow Park near Highway 16.
4.84 There is minor lowland flooding in rural areas around Watertown. About 6 miles upstream near Ixonia, a wayside park on Highway 16 is flooded and closed as is Kanow park and Rock River Road near Highway 16. This level is the 20 percent chance flood meaning that there is a 20 percent chance in any given year of the river reaching this level.
4.7 There is minor lowland flooding in rural areas around Watertown. About 6 miles upstream near Ixonia, a wayside park is flooded and closed as is Kanow Park on Rock River Road near Highway 16. Water just touches Rock River Road off of Highway 16.
4 There is minor lowland flooding in rural areas around Watertown. Flood waters start to affect a wayside park on Highway 16 as well as Kanow Park on Rock River Road about 6 miles upstream near Ixonia.
3.97 There is minor lowland flooding in rural areas around Watertown. Floodwaters affect a wayside park on Highway 16 about 6 miles upstream near Ixonia, as well as Kanow Park on Rock River Road near Ixonia. This level is about a 50 percent chance flood meaning there is a 50 percent chance in any given year of the river reaching this level.
Photos
(1) Minor flooding from Rock River around Ixonia, WI
(2) Aerial photo looking south-Rock River at Watertown, WI
(3) Aerial photo looking west-Rock River at Watertown, WI
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Page last modified: 21-Dec-2016 5:25 PM
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Graphical representation of flood inundation for NWS flood categories are based on steady state hydraulic modeling of water surface elevations for incremented discharges. Map shows approximate inundation areas for given water surface elevations and should not be used for navigation or permitting or other legal purposes, but strictly as a planning reference tool.