Whippany River Near Pine Brook NJ
USGS Site No: 01381800 • Whippany River • Morris County, NJ
Whippany River Near Pine Brook NJ on the Whippany River is currently at 48 cfs (Normal — 27th percentile for this date) . Gage height: 2.82 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 | 32 | |
| 25th | Low threshold | 43 | |
| 50th (Median) | Normal (median) | 97 | Today: 48 cfs |
| 75th | High threshold | 203 | |
| 95th | Very High threshold | 553 |
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 29, 2026 | 52 | — |
| May 28, 2026 | 73 | — |
| May 27, 2026 | 107 | — |
| May 26, 2026 | 146 | — |
| May 25, 2026 | 196 | — |
| May 24, 2026 | 193 | — |
| May 23, 2026 | 48 | — |
| May 22, 2026 | 41 | — |
| May 21, 2026 | 40 | — |
| May 20, 2026 | 39 | — |
| May 19, 2026 | 41 | — |
| May 18, 2026 | 41 | — |
| May 17, 2026 | 40 | — |
| May 16, 2026 | 42 | — |
| May 15, 2026 | 44 | — |
| Apr 21, 2026 | 38 | — |
| Apr 20, 2026 | 41 | — |
| Apr 19, 2026 | 41 | — |
| Apr 18, 2026 | 45 | — |
| Apr 17, 2026 | 46 | — |
| Apr 16, 2026 | 49 | — |
| Apr 15, 2026 | 52 | — |
| Apr 14, 2026 | 48 | — |
| Apr 13, 2026 | 47 | — |
| Apr 12, 2026 | 47 | — |
| Apr 11, 2026 | 49 | — |
| Apr 10, 2026 | 51 | — |
| Apr 9, 2026 | 53 | — |
| Apr 8, 2026 | 56 | — |
| Apr 7, 2026 | 64 | — |
Station Information
- USGS Site No
- 01381800
- State
- NJ
- County
- Morris County
- Coordinates
- 40.8450, -74.3472
- Drainage Area
- 69 mi²
- Datum (ft)
- 161.6
- HUC Code
- 020301030303
Flood Stage Thresholds
- Action Stage
- 8.0 ft
- Flood Stage
- 9.0 ft
Currently 6.18 ft below flood stage.
Recent Extremes
- Max discharge
-
528 cfsMay 16, 2025
- Min discharge
-
26 cfsSep 1, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Passaic River at Pine Brook NJNormal1.8 mi · 290 cfs
-
Rockaway River Below Reservoir at Boonton NJNormal4.4 mi · 42 cfs
-
Passaic River at I-80 at Singac NJNormal5.4 mi · 483 cfs
-
Rockaway River at Main Street at Boonton NJNormal5.7 mi · 102 cfs
-
Whippany River at Morristown NJNormal6.3 mi · 26 cfs