South Branch Raritan River at Stanton NJ

USGS Site No: 01397000South 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 — 6th percentile for this date) . Gage height: 2.22 ft.

Reading from

48
CFS Discharge
2.22
Gage Height (ft)
Very Low
Flow Condition
Normal
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 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 77 Today: 48 cfs
25th Low threshold 98
50th (Median) Normal (median) 137
75th High threshold 207
95th Very High threshold 387

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.

1.5k 761 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

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
Coordinates
40.5722, -74.8681
Drainage Area
147 mi²
Datum (ft)
124.3
HUC Code
020301050105
View on USGS NWIS →

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 cfs
May 31, 2025
Min discharge
47 cfs
Apr 18, 2026
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges