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Hydrograph River at a Glance Download
Rock River at Newville Pool (ft)Highest Observation: 1.77 ft at 1:10PM Feb 27, 2015USGS--Water Resources of the United StatesNVEW3(plotting HPIRP) Graph Created (10:30PM Mar 2, 2015)ObservedLatest observed value: 1.77 ft at 1:10 PM CST 27-Feb-2015. Flood Stage is 6.5 ft
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Tabular Data (UTC)
Tabular Data (CST)
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Datum: Not Available
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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 - at Lake Koshkonong Upstream Gauge Downstream Gauge Downstream Gauge - at Afton
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): 0

Historic Crests
(1) 8.51 ft on 04/23/2013
(2) 5.85 ft on 07/09/2014

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.85 ft on 07/09/2014
(2) 8.51 ft on 04/23/2013

(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.

Zoom Level:16
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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
8.1 Floodwaters surround some homes near East Mallwood Drive in 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 southeast 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. 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 Collapse

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 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 Not Available Not Available  

Current/Historical Observations:

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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
Milwaukee/Sullivan Weather Forecast Office
N3533 Hardscrabble Road
Dousman, WI 53118
(262) 965-2074
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Page last modified: 12-Feb-2015 9:33 PM
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