Major Flood
14 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
12 ft
Minor Flood
11 ft
Action Stage
10 ft
What Floods at Each Level
14.5 ft
3 to 4 feet of water in homes near the gauge site. Imperial Bonita Estates flooded with widespread water of 1 to 2.5 feet depth in homes. Mobile home community just west of Interstate 75 and north of the Imperial river has water depth of 16 to 30 inches. Over 1000 homes impacted.
13 ft
Areal extent of flooding increases rapidly.
12 ft
Water in homes near the gauge site. Flooding begins in the south end of Imperial Bonita Estates.
11 ft
Flooding begins surrounding homes near the gauge site.
10 ft
River at bankfull. Flooding of low lying areas begins to affect nearby homes and roads.
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 |
|---|---|---|
| Sep 12, 2017 | 15.32 ft | 4,260 cfs |
| Oct 2, 2022 | 12.32 ft | 821 cfs |
About This Gauge
Get Flood Alerts for Imperial 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 Imperial River near Bonita Springs?
The Imperial River near Bonita Springs gauge is maintained by USGS (site 02291500) 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 Imperial River near Bonita Springs?
The NWS-defined flood stage for Imperial River near Bonita Springs is 11 feet. Action stage begins at 10 feet. Moderate flooding starts at 12 feet, and major flooding at 14 feet.
How do I get alerts when Imperial River rises?
Download StormCast free on Google Play, go to River Gauges, and add Imperial River near Bonita Springs 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 Imperial River near Bonita Springs gauge located?
The gauge is located in Lee County, Florida at coordinates 26.3353°N, 81.7497°W. USGS site number: 02291500. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: This link will lead you to the USGS gage page