Major Flood
15 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
13 ft
Minor Flood
11 ft
Action Stage
10 ft
What Floods at Each Level
15 ft
At this stage water is flowing over the County Road 424 bridge.
13 ft
In addition to Baker Avenue and Jobe Street...water levels may inundate East River Street...South Brule Avenue...and Brady Avenue.
12 ft
Backwater effects from the County Road 424 bridge begin.
11 ft
Water may approach Baker Avenue and Jobe Street.
6.5 ft
Water begins to overflow the natural river banks...but no flooding is occurring.
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 |
|---|---|---|
| Jul 1, 1953 | 10.2 ft | 1,430 cfs |
| Apr 12, 2023 | 9.52 ft | 962 cfs |
| Apr 23, 1960 | 9.24 ft | 1,040 cfs |
About This Gauge
Get Flood Alerts for Iron 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 Iron River at Caspian?
The Iron River at Caspian gauge is maintained by USGS (site 04060500) 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 Iron River at Caspian?
The NWS-defined flood stage for Iron River at Caspian is 11 feet. Action stage begins at 10 feet. Moderate flooding starts at 13 feet, and major flooding at 15 feet.
How do I get alerts when Iron River rises?
Download StormCast free on Google Play, go to River Gauges, and add Iron River at Caspian 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 Iron River at Caspian gauge located?
The gauge is located in Iron County, Michigan at coordinates 46.0586°N, 88.6272°W. USGS site number: 04060500. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice during winter months.