Cook Creek near Ontario - Niagara Ave
Wisconsin — Water Level & Flood Stage
Located in Monroe County, Wisconsin on the Cook Creek. Live water level data from USGS, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: COOW3). Live data may be limited. View on NWS AHPS →
Flood Stages
Minor Flood
5.25 ft
Action Stage
4 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
6.9 ft
Water begins to flow over the top of the road on Niagara Avenue bridge.
5.4 ft
Water begins to reach the bottom of the bridge on Niagara Avenue.
4 ft
Water begins to impact adjacent agricultural land along Cook Creek.
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 4, 2026 | 5.68 ft | — |
| Apr 4, 2026 | 5.68 ft | — |
About This Gauge
NWS LID
COOW3
River
Cook Creek
County
Monroe, WI
Coordinates
43.7405°N, 90.5979°W
Get Flood Alerts for Cook Creek
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 Cook Creek near Ontario - Niagara Ave?
The Cook Creek near Ontario - Niagara Ave gauge is maintained by USGS 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 Cook Creek near Ontario - Niagara Ave?
The NWS-defined flood stage for Cook Creek near Ontario - Niagara Ave is 5.25 feet. Action stage begins at 4 feet. Moderate flooding starts at N/A feet, and major flooding at N/A feet.
How do I get alerts when Cook Creek rises?
Download StormCast free on Google Play, go to River Gauges, and add Cook Creek near Ontario - Niagara Ave to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Cook Creek near Ontario - Niagara Ave gauge located?
The gauge is located in Monroe County, Wisconsin at coordinates 43.7405°N, 90.5979°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: Observations courtesy of Monroe County