Major Flood
8 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
7.5 ft
Minor Flood
6.5 ft
Action Stage
5.5 ft
What Floods at Each Level
8 ft
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 ft
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 ft
Floodwaters are in the back yards of homes and businesses near east Mallwood Road Drive in Newville.
5.5 ft
Water is into some of the lowest back yards in the Newville area.
4.5 ft
There is minor lowland flooding in the Newville area.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Apr 23, 2013 | 8.51 ft | — |
| Apr 16, 2013 | 7.99 ft | 11,400 cfs |
| Sep 12, 2018 | 7.79 ft | 9,280 cfs |
About This Gauge
Get Flood Alerts for Rock River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Rock River at Newville?
The Rock River at Newville gauge is maintained by USGS (site 05427530) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Rock River at Newville?
The NWS-defined flood stage for Rock River at Newville is 6.5 feet. Action stage begins at 5.5 feet. Moderate flooding starts at 7.5 feet, and major flooding at 8 feet.
How do I get alerts when Rock River rises?
Download StormCast free on Google Play, go to River Gauges, and add Rock River at Newville to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Rock River at Newville gauge located?
The gauge is located in Rock County, Wisconsin at coordinates 42.8294°N, 89.0206°W. USGS site number: 05427530. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey