Major Flood
16 ft
Current Water Level
Gage Height
Loading...
Streamflow
Loading...
Last Reading
Loading...
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
14 ft
Minor Flood
12 ft
Action Stage
9.5 ft
What Floods at Each Level
14 ft
Some homes near State Route 105 and State Route 582 threatened.
12 ft
State Route 105 floods. Businesses on Luckey Avenue threatened by rising waters.
9.5 ft
River at bankfull.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
Loading chart data...
Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Apr 3, 2026 | 14.03 ft | 11,600 cfs |
| Jul 15, 2017 | 12.89 ft | 9,600 cfs |
| May 6, 2017 | 12.66 ft | 9,280 cfs |
About This Gauge
Get Flood Alerts for Portage 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 Portage River at Elmore?
The Portage River at Elmore gauge is maintained by USGS (site 04195820) 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 Portage River at Elmore?
The NWS-defined flood stage for Portage River at Elmore is 12 feet. Action stage begins at 9.5 feet. Moderate flooding starts at 14 feet, and major flooding at 16 feet.
How do I get alerts when Portage River rises?
Download StormCast free on Google Play, go to River Gauges, and add Portage River at Elmore 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 Portage River at Elmore gauge located?
The gauge is located in Ottawa County, Ohio at coordinates 41.4912°N, 83.2246°W. USGS site number: 04195820. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Portage River
On This River
Upstream: Portage River at Woodville
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey