Passaic River at Pine Brook NJ
USGS Site No: 01381900 • Passaic River • Morris County, NJ
Passaic River at Pine Brook NJ on the Passaic River is currently at 290 cfs (Normal — 53th percentile for this date) . Gage height: 13.69 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 | 116 | |
| 25th | Low threshold | 155 | |
| 50th (Median) | Normal (median) | 230 | |
| 75th | High threshold | 788 | Today: 290 cfs |
| 95th | Very High threshold | 2,150 |
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 | 326 | — |
| May 28, 2026 | 439 | — |
| May 27, 2026 | 586 | — |
| May 26, 2026 | 703 | — |
| May 25, 2026 | 730 | — |
| May 24, 2026 | 535 | — |
| May 23, 2026 | 167 | — |
| May 22, 2026 | 151 | — |
| May 21, 2026 | 141 | — |
| May 20, 2026 | 139 | — |
| May 19, 2026 | 148 | — |
| May 18, 2026 | 153 | — |
| May 17, 2026 | 164 | — |
| May 16, 2026 | 175 | — |
| May 15, 2026 | 190 | — |
| Apr 21, 2026 | 195 | — |
| Apr 20, 2026 | 211 | — |
| Apr 19, 2026 | 220 | — |
| Apr 18, 2026 | 235 | — |
| Apr 17, 2026 | 243 | — |
| Apr 16, 2026 | 249 | — |
| Apr 15, 2026 | 254 | — |
| Apr 14, 2026 | 248 | — |
| Apr 13, 2026 | 256 | — |
| Apr 12, 2026 | 265 | — |
| Apr 11, 2026 | 291 | — |
| Apr 10, 2026 | 315 | — |
| Apr 9, 2026 | 342 | — |
| Apr 8, 2026 | 377 | — |
| Apr 7, 2026 | 431 | — |
Station Information
- USGS Site No
- 01381900
- State
- NJ
- County
- Morris County
- Coordinates
- 40.8625, -74.3217
- Drainage Area
- 349 mi²
- Datum (ft)
- 149.3
- HUC Code
- 02030103
Flood Stage Thresholds
- Action Stage
- 18.0 ft
- Flood Stage
- 19.0 ft
- Moderate Flood
- 20.0 ft
- Major Flood
- 21.0 ft
Currently 5.31 ft below flood stage.
Recent Extremes
- Max discharge
-
1,960 cfsMay 16, 2025
- Min discharge
-
89 cfsSep 1, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Whippany River Near Pine Brook NJNormal1.8 mi · 48 cfs
-
Passaic River at I-80 at Singac NJNormal3.6 mi · 483 cfs
-
Rockaway River Below Reservoir at Boonton NJNormal4.5 mi · 42 cfs
-
Passaic River at Little Falls NJNormal5.2 mi · 349 cfs
-
Peckman River at Little Falls NJLow5.2 mi · 9 cfs