RIVER GAUGE · OSWEGATCHIE RIVER
Oswegatchie River near Heuvelton
St. Lawrence County, New York
Water level1.16 ft
Flow394 cfs
Last readingSep 16, 2026, 4:15 PM UTC (last recorded)
Action6.5 ft
Minor flood7.5 ft
The past week
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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.
Highest crests on record
| Date | Level | 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 |
More on Oswegatchie River
DownstreamOswegatchie River near Ogdensburg ↗
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