Major Flood
15 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
11 ft
Minor Flood
10 ft
Action Stage
9 ft
What Floods at Each Level
18 ft
Wally Road and adjacent campgrounds flooded. Both the Loudonville Water Department and Sewage Treatment Plant flooded.
17 ft
Several campgrounds along the Black Fork will be flooded. Significant evacuations will be needed. Wally Road inundated and impassable. Loudonville sewage treatment plant will be threatened.
15 ft
Wally Road will become inundated. Several campgrounds adjacent to the river will be flooded.
11 ft
Campgrounds along Walley Road will begin to inundate. Evacuations may be necessary.
10 ft
Mohican River will be at bankful through much of Loudonville. Some low lying campgrounds near the river could see some minor inundation.
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 | 11.81 ft | 5,136 cfs |
| Jul 10, 2013 | 11.56 ft | 4,800 cfs |
| May 10, 2021 | 11.47 ft | 4,684 cfs |
About This Gauge
USGS Site
NWS LID
LDVO1
River
Black Fork Mohican River
County
Ashland, OH
Coordinates
40.6358°N, 82.2394°W
Get Flood Alerts for Black Fork Mohican 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 Black Fork Mohican River at Loudonville?
The Black Fork Mohican River at Loudonville gauge is maintained by USGS (site 03131500) 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 Black Fork Mohican River at Loudonville?
The NWS-defined flood stage for Black Fork Mohican River at Loudonville is 10 feet. Action stage begins at 9 feet. Moderate flooding starts at 11 feet, and major flooding at 15 feet.
How do I get alerts when Black Fork Mohican River rises?
Download StormCast free on Google Play, go to River Gauges, and add Black Fork Mohican River at Loudonville 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 Black Fork Mohican River at Loudonville gauge located?
The gauge is located in Ashland County, Ohio at coordinates 40.6358°N, 82.2394°W. USGS site number: 03131500. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey