South Branch Raritan River at Stanton NJ
USGS Site No: 01397000 • South Branch Raritan River • Hunterdon County, NJ
South Branch Raritan River at Stanton NJ on the South Branch Raritan River is currently at 48 cfs (Very Low — 9th percentile for this date) . Gage height: 2.22 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 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 | 56 | Today: 48 cfs |
| 25th | Low threshold | 82 | |
| 50th (Median) | Normal (median) | 117 | |
| 75th | High threshold | 250 | |
| 95th | Very High threshold | 808 |
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 | 61 | — |
| May 27, 2026 | 69 | — |
| May 26, 2026 | 90 | — |
| May 25, 2026 | 135 | — |
| May 24, 2026 | 144 | — |
| May 23, 2026 | 58 | — |
| May 22, 2026 | 57 | — |
| May 21, 2026 | 77 | — |
| May 20, 2026 | 100 | — |
| May 19, 2026 | 98 | — |
| May 18, 2026 | 91 | — |
| May 17, 2026 | 62 | — |
| May 16, 2026 | 57 | — |
| May 15, 2026 | 57 | — |
| Apr 21, 2026 | 58 | — |
| Apr 20, 2026 | 51 | — |
| Apr 19, 2026 | 48 | — |
| Apr 18, 2026 | 47 | — |
| Apr 17, 2026 | 59 | — |
| Apr 16, 2026 | 63 | — |
| Apr 15, 2026 | 67 | — |
| Apr 14, 2026 | 50 | — |
| Apr 13, 2026 | 55 | — |
| Apr 12, 2026 | 59 | — |
| Apr 11, 2026 | 62 | — |
| Apr 10, 2026 | 63 | — |
| Apr 9, 2026 | 54 | — |
| Apr 8, 2026 | 47 | — |
| Apr 7, 2026 | 55 | — |
| Apr 6, 2026 | 78 | — |
Station Information
- USGS Site No
- 01397000
- State
- NJ
- County
- Hunterdon County
- Coordinates
- 40.5722, -74.8681
- Drainage Area
- 147 mi²
- Datum (ft)
- 124.3
- HUC Code
- 020301050105
Flood Stage Thresholds
- Action Stage
- 7.0 ft
- Flood Stage
- 8.0 ft
- Moderate Flood
- 10.0 ft
- Major Flood
- 12.0 ft
Currently 5.78 ft below flood stage.
Recent Extremes
- Max discharge
-
1,570 cfsMay 31, 2025
- Min discharge
-
47 cfsApr 18, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
South Branch Raritan River Near High Bridge NJNormal7.3 mi · 46 cfs
-
South Branch Raritan River at Four Bridges NJLow17.5 mi · 16 cfs
-
Passaic River Near Millington NJNormal19.3 mi · 27 cfs
-
Whippany River Near Morristown NJNormal25.0 mi · 9 cfs
-
Whippany River at Morristown NJNormal27.0 mi · 26 cfs