Imperial River near Bonita Springs, FL
River level and flood forecast · Lee County
Normal5.5 ftas of Mon 3:45 PM
The river is 5.5 ft below flood stage (11 ft).
Flow: 131 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 14 ft |
| Moderate flood stage | 12 ft |
| Flood stage | 11 ft |
| Action stage | 10 ft |
| Record crest (September 12, 2017) | 15.32 ft |
What floods at each level
From the National Weather Service, highest first.
- 14.5 ft3 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 ftAreal extent of flooding increases rapidly.
- 12 ftWater in homes near the gauge site. Flooding begins in the south end of Imperial Bonita Estates.
- 11 ftFlooding begins surrounding homes near the gauge site.
- 10 ftRiver at bankfull. Flooding of low lying areas begins to affect nearby homes and roads.
Highest crests on record
- 15.32 ft — September 12, 2017
- 12.32 ft — October 2, 2022
Recent crests: 12.32 ft (October 2, 2022) · 15.32 ft (September 12, 2017)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (BSIF1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.