Minor Flood
7.5 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.
Action Stage
6.5 ft
What Floods at Each Level
7.5 ft
Low lying areas of River Road and Backus Camp Road between Rensselaer Falls and Heuvelton will flood. Lowland flooding of fields and cropland along the river will also occur. Downstream in Ogdensburg, low lying portions of Simms Camp Road and the Maple City recreational path will be inundated. Shoreline flooding is also possible on Black Lake.
6.5 ft
Lowland flooding of fields and cropland along the river from Rensselaer Falls to Ogdensburg may occur.
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 5, 1960 | 10.36 ft | 19,600 cfs |
| Apr 8, 1947 | 9.33 ft | 15,800 cfs |
| Mar 16, 1977 | 9.19 ft | 15,800 cfs |
About This Gauge
USGS Site
NWS LID
HEUN6
River
Oswegatchie River
County
St. Lawrence, NY
Coordinates
44.5994°N, 75.3792°W
Get Flood Alerts for Oswegatchie 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 Oswegatchie River near Heuvelton?
The Oswegatchie River near Heuvelton gauge is maintained by USGS (site 04263000) 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 Oswegatchie River near Heuvelton?
The NWS-defined flood stage for Oswegatchie River near Heuvelton is 7.5 feet. Action stage begins at 6.5 feet. Moderate flooding starts at N/A feet, and major flooding at N/A feet.
How do I get alerts when Oswegatchie River rises?
Download StormCast free on Google Play, go to River Gauges, and add Oswegatchie River near Heuvelton 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 Oswegatchie River near Heuvelton gauge located?
The gauge is located in St. Lawrence County, New York at coordinates 44.5994°N, 75.3792°W. USGS site number: 04263000. Data is provided by the U.S. Geological Survey and the National Weather Service.
On This River
Upstream: West Branch Oswegatchie River near Harrisville
Downstream: Oswegatchie River near Ogdensburg
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Gauge reading may be affected by ice. Forecast flows are unadjusted for ice.