Major Flood
23 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
22 ft
Minor Flood
21 ft
Action Stage
19 ft
What Floods at Each Level
31.5 ft
Though unlikely to occur, water reaches the bottom of the Highway 175 bridge at this level.
27 ft
Widespread flooding envelopes the reach from just north of the airport downstream to the southwest of Mapleton. A levee protects the town of Mapleton.
24 ft
Highway 175 just north of Mapleton as well as the airport experience much more widespread flooding.
22 ft
Water affects Highway 175 near the airport just northwest of town.
21 ft
Water begins to flow over the airstrip ramp at the city airport. Farmland, low lying roads, and the airport are generally the only areas affected.
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 |
|---|---|---|
| May 30, 1959 | 24.7 ft | 14,000 cfs |
| Mar 13, 2019 | 23.6 ft | 26,900 cfs |
| Mar 29, 1960 | 22.9 ft | 11,400 cfs |
About This Gauge
Get Flood Alerts for Maple 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 Maple River at Mapleton?
The Maple River at Mapleton gauge is maintained by USGS (site 06607200) 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 Maple River at Mapleton?
The NWS-defined flood stage for Maple River at Mapleton is 21 feet. Action stage begins at 19 feet. Moderate flooding starts at 22 feet, and major flooding at 23 feet.
How do I get alerts when Maple River rises?
Download StormCast free on Google Play, go to River Gauges, and add Maple River at Mapleton 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 Maple River at Mapleton gauge located?
The gauge is located in Monona County, Iowa at coordinates 42.1568°N, 95.8103°W. USGS site number: 06607200. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Maple River
On This River
Upstream: Maple River at Ida Grove
More Resources
Source & Notes
Data provided by: Observations courtesy of the USGS
- 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.