St. Croix River at Stillwater
Minnesota — Water Level & Flood Stage
Located in Washington County, Minnesota on the St. Croix River. Live water level data from USGS gauge 05341550, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
89 ft
Moderate Flood
88 ft
Minor Flood
87 ft
Action Stage
80 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
95 ft
Estimated top of the flood protection dike in Afton.
94.8 ft
Highway 95 near 2nd Ave in Bayport may be closed.
94 ft
Estimated top of the flood protection dike at St Croix Beach.
92 ft
Abandoned railroad bed north of Vine Street to St Croix Street impacted.
91 ft
Dike Road impacted.
90 ft
Lakefront Park bathhouse in Hudson affected.
89 ft
The city park in Bayport begins flooding. Lake Mallalieu dam gates overtopped.
86.75 ft
Buckeye Street Garage in Hudson impacted.
86 ft
Due to safety issues...the Stillwater lift bridge will be closed near this stage.
85.8 ft
First Street between Buckeye and Commercial Streets floods
85 ft
Several residences along the river may experience flooding in their basements. Front Street in Hudson WI closes.
84 ft
Second tier at Lakefront Park in Hudson floods.
83 ft
Minnesota and Wisconsin DNRs invoke a no wake zone on the river.
80 ft
Seawall at Lakefront Park in Hudson floods.
77 ft
The Stillwater Riverwalk becomes inundated.
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 17, 1965 | 94.1 ft | — |
| Apr 17, 1965 | 94.1 ft | — |
| Apr 26, 2001 | 92.3 ft | — |
| Apr 26, 2001 | 92.3 ft | — |
| Apr 15, 1969 | 92.2 ft | — |
About This Gauge
USGS Site
NWS LID
STLM5
River
St. Croix River
County
Washington, MN
Coordinates
45.0561°N, 92.8041°W
Get Flood Alerts for St. Croix 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 St. Croix River at Stillwater?
The St. Croix River at Stillwater gauge is maintained by USGS (site 05341550) 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 St. Croix River at Stillwater?
The NWS-defined flood stage for St. Croix River at Stillwater is 87 feet. Action stage begins at 80 feet. Moderate flooding starts at 88 feet, and major flooding at 89 feet.
How do I get alerts when St. Croix River rises?
Download StormCast free on Google Play, go to River Gauges, and add St. Croix River at Stillwater 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 St. Croix River at Stillwater gauge located?
The gauge is located in Washington County, Minnesota at coordinates 45.0561°N, 92.8041°W. USGS site number: 05341550. Data is provided by the U.S. Geological Survey and the National Weather Service.
On This River
More Resources
Source & Notes
Data provided by: Obs courtesy of USCOE and USGS (05341550)
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.
- Stage may be affected by ice.