Major Flood
1271 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: MRGI4). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
1269 ft
Minor Flood
1267 ft
Action Stage
1265 ft
What Floods at Each Level
1273 ft
The bridge on W County Rd at the gauge just west of Galva may be overtopped.
1271 ft
Water reaches the bottom of the bridge on W County Rd at the gauge just west of Galva.
1269 ft
Water approaches the lowest portion of W County Rd near the gauge.
1267 ft
Significant agriculture flooding begins. Water approaches Landmark Ave west of Galva.
1263 ft
The lowest lying areas begin to flood.
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 6, 2024 | 1259.71 ft | — |
| Jul 31, 2025 | 1259.46 ft | — |
| Feb 28, 2023 | 1256.49 ft | — |
About This Gauge
NWS LID
MRGI4
River
Maple River
County
Ida, IA
Coordinates
42.5039°N, 95.4319°W
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 Galva?
The Maple River at Galva gauge is maintained by USGS 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 Galva?
The NWS-defined flood stage for Maple River at Galva is 1267 feet. Action stage begins at 1265 feet. Moderate flooding starts at 1269 feet, and major flooding at 1271 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 Galva 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 Galva gauge located?
The gauge is located in Ida County, Iowa at coordinates 42.5039°N, 95.4319°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Maple River
On This River
Downstream: Maple River at Ida Grove
More Resources
Source & Notes
Data provided by: Observations courtesy of Iowa Flood Center
- No forecasts are available for this location
- Gauge reading may be affected by ice.