National Weather Service Advanced Hydrologic Prediction Service

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Visit https://www.weather.gov/owp/operations for access to new EXPERIMENTAL products and services from the National Water Center: National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook and the National Water Center Visualization Services, a suite of geospatial services depicting River Forecast Center and National Water Model information.

View the Enhanced Operating Capability Products and Services StoryMap here

Weather Forecast Office Milwaukee/Sullivan, WI

North Central River Forecast Center

Hydrograph

River at a Glance

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About this graph

Tabular Data (UTC)

Tabular Data (CST)

Datum: NAVD88

Metadata

NOTE: We are looking for a volunteer to report rainfall and/or snowfall near this location. If interested, please contact the local NWS office or go to http://www.cocorahs.org/

NOTE: Gauge readings may be inaccurate during periods of extreme cold.

NOTE: Forecasts are not available for the Rock River at Newville. Only observed stages are available for this point.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	8
Moderate Flood Stage:	7.5
Flood Stage:	6.5
Action Stage:	5.5
Low Stage (in feet):	-9999

Historic Crests
(1) 8.51 ft on 04/23/2013
(2) 7.99 ft on 04/17/2013
(3) 7.79 ft on 09/12/2018
(4) 7.60 ft on 03/25/2019
(5) 7.26 ft on 10/15/2018
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 7.14 ft on 10/15/2019
(2) 7.14 ft on 10/14/2019
(3) 7.10 ft on 10/12/2019
(4) 7.60 ft on 03/25/2019
(5) 7.25 ft on 10/20/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.14 ft on 06/27/2012
(2) 2.24 ft on 09/10/2013

For more information on your flood risk go to www.floodsmart.gov.

Show FEMA's National Flood Hazard Layers

Zoom Level:16

	Gauge Location	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

If you notice any errors in the below information, please contact our Webmaster
8.1	Floodwaters surround some homes near East Mallwood Dr and across eastern Newville. Floodwaters affect a riverside restaurant and its parking lot on the south side of the river. Boat slips at two Newville marinas are under water and water surrounds fuel tanks at one marina. Dallman Park is flooded at Charley Bluff on the SE side of Lake Koshkonong. About 4 miles downstream, floodwaters flow over and cover Indianford Dam. Downstream in Janesville, Traxler park off of Memorial Drive is flooded and closed.
7.5	Floodwaters surround some homes near East Mallwood Drive and are into yards and roads across eastern Newville. Floodwaters affect a riverside restaurant and its parking lot on the south side of the river.
6.5	Floodwaters are in the back yards of homes and businesses near east Mallwood Road Drive in Newville.
5.5	Water is into some of the lowest back yards in the Newville area.
4.5	There is minor lowland flooding in the Newville area.
Photos (1) Flooding at Indianford Dam

About This Location

Latitude: 42.829444° N, Longitude: 89.020556° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	6.5 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	773.5 ft	779.5 ft	Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29	773.26 ft	779.26 ft	Older USGS topographic maps, NGVD29 benchmarks
MSL	Not Available	Not Available	Older USGS topographic maps, MSL benchmarks
Other	Not Available	Not Available

Current/Historical Observations:

U.S. Geological Survey (USGS) Data and Site Info for Newville

Additional Information

River forecasts are not available for this location.

Resources

Collaborative Agencies

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
Milwaukee/Sullivan Weather Forecast Office
N3533 Hardscrabble Road
Dousman, WI 53118
(262) 965-2074
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Page last modified: 2-Nov-2020 7:29 PM

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