Whippany River Near Morristown NJ

USGS Site No: 01381400 • Whippany River • Morris County, NJ

Whippany River Near Morristown NJ on the Whippany River is currently at 9 cfs (Normal — 28th percentile for this date) . Gage height: 2.12 ft.

Reading from

Downstream on Whippany River ↓
Whippany River at Morristown NJ
9
CFS Discharge
2.12
Gage Height (ft)
Normal
Flow Condition
N/A
Flood Status

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 5
25th Low threshold 8
50th (Median) Normal (median) 13 Today: 9 cfs
75th High threshold 47
95th Very High threshold 214

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.

582 291 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 9 —
May 27, 2026 10 —
May 26, 2026 12 —
May 25, 2026 18 —
May 24, 2026 37 —
May 23, 2026 10 —
May 22, 2026 9 —
May 21, 2026 9 —
May 20, 2026 8 —
May 19, 2026 8 —
May 18, 2026 9 —
May 17, 2026 9 —
May 16, 2026 9 —
May 15, 2026 9 —
Apr 21, 2026 11 —
Apr 20, 2026 11 —
Apr 19, 2026 11 —
Apr 18, 2026 11 —
Apr 17, 2026 12 —
Apr 16, 2026 12 —
Apr 15, 2026 13 —
Apr 14, 2026 12 —
Apr 13, 2026 13 —
Apr 12, 2026 13 —
Apr 11, 2026 13 —
Apr 10, 2026 14 —
Apr 9, 2026 14 —
Apr 8, 2026 14 —
Apr 7, 2026 15 —
Apr 6, 2026 18 —

Station Information

USGS Site No
01381400
State
NJ
County
Morris County
Coordinates
40.8122, -74.5119
Drainage Area
14 mi²
Datum (ft)
311.8
HUC Code
02030103
View on USGS NWIS →

Recent Extremes

Max discharge
205 cfs
May 15, 2025
Min discharge
5 cfs
Dec 18, 2025

Computed from the local daily-values archive.

Nearby Gauges

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