Oswegatchie River Near Heuvelton NY
USGS Site No: 04263000 • Oswegatchie River • St. Lawrence County, NY
Oswegatchie River Near Heuvelton NY on the Oswegatchie River is currently at 1,510 cfs (Very High — 96th percentile for this date) . Gage height: 2.41 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for July 29 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 315 | |
| 25th | Low threshold | 411 | |
| 50th (Median) | Normal (median) | 553 | |
| 75th | High threshold | 718 | |
| 95th | Very High threshold | 1,360 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 1,800 | — |
| May 27, 2026 | 1,770 | — |
| May 26, 2026 | 1,430 | — |
| May 25, 2026 | 1,220 | — |
| May 24, 2026 | 1,190 | — |
| May 23, 2026 | 1,320 | — |
| May 22, 2026 | 1,600 | — |
| May 21, 2026 | 1,830 | — |
| May 20, 2026 | 2,060 | — |
| May 19, 2026 | 2,260 | — |
| May 18, 2026 | 2,400 | — |
| May 17, 2026 | 2,490 | — |
| May 16, 2026 | 2,480 | — |
| May 15, 2026 | 2,460 | — |
| Apr 21, 2026 | 6,200 | — |
| Apr 20, 2026 | 6,110 | — |
| Apr 19, 2026 | 6,060 | — |
| Apr 18, 2026 | 5,920 | — |
| Apr 17, 2026 | 5,450 | — |
| Apr 16, 2026 | 4,600 | — |
| Apr 15, 2026 | 3,370 | — |
| Apr 14, 2026 | 2,450 | — |
| Apr 13, 2026 | 2,660 | — |
| Apr 12, 2026 | 3,090 | — |
| Apr 11, 2026 | 3,820 | — |
| Apr 10, 2026 | 4,390 | — |
| Apr 9, 2026 | 4,930 | — |
| Apr 8, 2026 | 5,360 | — |
| Apr 7, 2026 | 5,580 | — |
| Apr 6, 2026 | 5,680 | — |
Station Information
- USGS Site No
- 04263000
- State
- NY
- County
- St. Lawrence County
- Coordinates
- 44.6000, -75.3789
- Drainage Area
- 986 mi²
- Datum (ft)
- 287.7
- HUC Code
- 042900031001
Flood Stage Thresholds
- Action Stage
- 6.5 ft
- Flood Stage
- 7.5 ft
Currently 5.09 ft below flood stage.
Recent Extremes
- Max discharge
-
10,100 cfsMar 14, 2026
- Min discharge
-
227 cfsAug 21, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
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Grass River at Pyrites NYUnknown10.4 mi
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Elm Creek Near Hermon NYUnknown13.9 mi
-
Grass River at Chase Mills NYHigh22.5 mi · 646 cfs
-
Raquette River at South Colton NYVery High25.2 mi · 2,730 cfs
-
Raquette River at Raymondville NYHigh25.7 mi · 2,230 cfs