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Local Info
Critical Stages
9' - Action10' - Flood11' - Moderate Flood11.5' - Major Flood
Rock River - Gauge NVLW3
Newville/Lake Koshkonong, WI
Lat: 42.86N, Lon: 88.94W
 
Latest Observation
Updated: 8:00 AM CDT 10/8/25
Stage:6.55 ft
Flow:-999 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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