Passaic River at Little Falls NJ
USGS Site No: 01389500 • Passaic River • Passaic County, NJ
Passaic River at Little Falls NJ on the Passaic River is currently at 349 cfs (Normal — 48th percentile for this date) . Gage height: 1.17 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 | 93 | |
| 25th | Low threshold | 144 | |
| 50th (Median) | Normal (median) | 367 | Today: 349 cfs |
| 75th | High threshold | 1,010 | |
| 95th | Very High threshold | 2,780 |
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 | 423 | — |
| May 28, 2026 | 612 | — |
| May 27, 2026 | 784 | — |
| May 26, 2026 | 939 | — |
| May 25, 2026 | 1,030 | — |
| May 24, 2026 | 698 | — |
| May 23, 2026 | 146 | — |
| May 22, 2026 | 101 | — |
| May 21, 2026 | 101 | — |
| May 20, 2026 | 99 | — |
| May 19, 2026 | 113 | — |
| May 18, 2026 | 101 | — |
| May 17, 2026 | 117 | — |
| May 16, 2026 | 131 | — |
| May 15, 2026 | 138 | — |
| Apr 21, 2026 | 152 | — |
| Apr 20, 2026 | 163 | — |
| Apr 19, 2026 | 183 | — |
| Apr 18, 2026 | 205 | — |
| Apr 17, 2026 | 202 | — |
| Apr 16, 2026 | 221 | — |
| Apr 15, 2026 | 231 | — |
| Apr 14, 2026 | 256 | — |
| Apr 13, 2026 | 239 | — |
| Apr 12, 2026 | 271 | — |
| Apr 11, 2026 | 312 | — |
| Apr 10, 2026 | 337 | — |
| Apr 9, 2026 | 393 | — |
| Apr 8, 2026 | 471 | — |
| Apr 7, 2026 | 565 | — |
Station Information
- USGS Site No
- 01389500
- State
- NJ
- County
- Passaic County
- Coordinates
- 40.8847, -74.2261
- Drainage Area
- 762 mi²
- Datum (ft)
- 119.1
- HUC Code
- 020301030802
Flood Stage Thresholds
- Action Stage
- 6.5 ft
- Flood Stage
- 7.0 ft
- Moderate Flood
- 8.0 ft
- Major Flood
- 9.0 ft
Currently 5.83 ft below flood stage.
Recent Extremes
- Max discharge
-
3,910 cfsJun 2, 2025
- Min discharge
-
59 cfsFeb 2, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Peckman River at Little Falls NJLow0.9 mi · 9 cfs
-
Passaic River at I-80 at Singac NJNormal2.2 mi · 483 cfs
-
Passaic River at Pine Brook NJNormal5.2 mi · 290 cfs
-
Pompton River at Pompton Plains NJNormal6.6 mi · 212 cfs
-
Whippany River Near Pine Brook NJNormal6.9 mi · 48 cfs