Major Flood
18 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
12.5 ft
Minor Flood
9 ft
Action Stage
6 ft
What Floods at Each Level
18 ft
(Extremely Rare) Parts of Morrow County Fairgrounds sustain significant damgae. Some homes and businesses along South Main Street sustain significant damage.
12.5 ft
Portions of State Route 42 flooded and some homes and businesses along it inundated. Majority of Morrow County Fairgrounds inundated. Portions of South Main Street flooded and a few homes and businesses along it inundated.
9 ft
Low-lying areas of Morrow County Fairgrounds flooded. A few homes and businesses along South Main Street threatened.
6 ft
Creek at bankfull.
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 |
|---|---|---|
| Apr 4, 2026 | 11.43 ft | 3,680 cfs |
| Jun 16, 2019 | 9.83 ft | 2,500 cfs |
| Nov 19, 2017 | 9.36 ft | 2,190 cfs |
About This Gauge
USGS Site
NWS LID
MNGO1
River
Whetstone Creek
County
Morrow, OH
Coordinates
40.5489°N, 82.8214°W
Get Flood Alerts for Whetstone Creek
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 Whetstone Creek at Mt. Gilead?
The Whetstone Creek at Mt. Gilead gauge is maintained by USGS (site 03223425) 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 Whetstone Creek at Mt. Gilead?
The NWS-defined flood stage for Whetstone Creek at Mt. Gilead is 9 feet. Action stage begins at 6 feet. Moderate flooding starts at 12.5 feet, and major flooding at 18 feet.
How do I get alerts when Whetstone Creek rises?
Download StormCast free on Google Play, go to River Gauges, and add Whetstone Creek at Mt. Gilead 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 Whetstone Creek at Mt. Gilead gauge located?
The gauge is located in Morrow County, Ohio at coordinates 40.5489°N, 82.8214°W. USGS site number: 03223425. Data is provided by the U.S. Geological Survey and the National Weather Service.
On This River
Downstream: Olentangy River at Delaware Lake
More Resources
Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice.