Passaic River at I-80 at Singac NJ
USGS Site No: 01389010 • Passaic River • Passaic County, NJ
Passaic River at I-80 at Singac NJ on the Passaic River is currently at 483 cfs (Normal — 62th percentile for this date) . Gage height: 2.72 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 | 79 | |
| 25th | Low threshold | 133 | |
| 50th (Median) | Normal (median) | 198 | |
| 75th | High threshold | 817 | Today: 483 cfs |
| 95th | Very High threshold | 0 |
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 | 557 | — |
| May 28, 2026 | 759 | — |
| May 27, 2026 | 943 | — |
| May 26, 2026 | 1,060 | — |
| May 25, 2026 | 1,020 | — |
| May 24, 2026 | 693 | — |
| May 23, 2026 | 164 | — |
| May 22, 2026 | 181 | — |
| May 21, 2026 | 172 | — |
| May 20, 2026 | 185 | — |
| May 19, 2026 | 192 | — |
| May 18, 2026 | 186 | — |
| May 17, 2026 | 183 | — |
| May 16, 2026 | 191 | — |
| May 15, 2026 | 192 | — |
| Apr 21, 2026 | 175 | — |
| Apr 20, 2026 | 200 | — |
| Apr 19, 2026 | 226 | — |
| Apr 18, 2026 | 245 | — |
| Apr 17, 2026 | 257 | — |
| Apr 16, 2026 | 271 | — |
| Apr 15, 2026 | 267 | — |
| Apr 14, 2026 | 254 | — |
| Apr 13, 2026 | 272 | — |
| Apr 12, 2026 | 310 | — |
| Apr 11, 2026 | 331 | — |
| Apr 10, 2026 | 360 | — |
| Apr 9, 2026 | 422 | — |
| Apr 8, 2026 | 508 | — |
| Apr 7, 2026 | 593 | — |
Station Information
- USGS Site No
- 01389010
- State
- NJ
- County
- Passaic County
- Coordinates
- 40.8944, -74.2661
- Drainage Area
- 740 mi²
- Datum (ft)
- 155.0
- HUC Code
- 020301030801
Flood Stage Thresholds
- Action Stage
- 7.0 ft
- Flood Stage
- 8.5 ft
- Moderate Flood
- 10.0 ft
- Major Flood
- 12.0 ft
Currently 5.78 ft below flood stage.
Recent Extremes
- Max discharge
-
3,910 cfsJun 2, 2025
- Min discharge
-
106 cfsJan 24, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Passaic River at Little Falls NJNormal2.2 mi · 349 cfs
-
Peckman River at Little Falls NJLow2.8 mi · 9 cfs
-
Passaic River at Pine Brook NJNormal3.6 mi · 290 cfs
-
Pompton River at Pompton Plains NJNormal5.3 mi · 212 cfs
-
Whippany River Near Pine Brook NJNormal5.4 mi · 48 cfs