Rahway River Near Springfield NJ
USGS Site No: 01394500 • Rahway River • Union County, NJ
Rahway River Near Springfield NJ on the Rahway River is currently at 12 cfs (Normal — 53th percentile for this date) . Gage height: 1.33 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 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 | 4 | |
| 25th | Low threshold | 7 | |
| 50th (Median) | Normal (median) | 11 | |
| 75th | High threshold | 16 | Today: 12 cfs |
| 95th | Very High threshold | 84 |
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 | 12 | — |
| May 28, 2026 | 11 | — |
| May 27, 2026 | 13 | — |
| May 26, 2026 | 18 | — |
| May 25, 2026 | 44 | — |
| May 24, 2026 | 189 | — |
| May 23, 2026 | 33 | — |
| May 22, 2026 | 10 | — |
| May 21, 2026 | 14 | — |
| May 20, 2026 | 12 | — |
| May 19, 2026 | 10 | — |
| May 18, 2026 | 10 | — |
| May 17, 2026 | 10 | — |
| May 16, 2026 | 10 | — |
| May 15, 2026 | 11 | — |
| Apr 22, 2026 | 9 | — |
| Apr 21, 2026 | 9 | — |
| Apr 20, 2026 | 9 | — |
| Apr 19, 2026 | 10 | — |
| Apr 18, 2026 | 10 | — |
| Apr 17, 2026 | 16 | — |
| Apr 16, 2026 | 10 | — |
| Apr 15, 2026 | 12 | — |
| Apr 14, 2026 | 11 | — |
| Apr 13, 2026 | 12 | — |
| Apr 12, 2026 | 11 | — |
| Apr 11, 2026 | 12 | — |
| Apr 10, 2026 | 12 | — |
| Apr 9, 2026 | 12 | — |
| Apr 8, 2026 | 13 | — |
Station Information
- USGS Site No
- 01394500
- State
- NJ
- County
- Union County
- Coordinates
- 40.6875, -74.3117
- Drainage Area
- 26 mi²
- Datum (ft)
- 66.2
- HUC Code
- 02030104
Flood Stage Thresholds
- Action Stage
- 6.5 ft
- Flood Stage
- 7.0 ft
- Moderate Flood
- 8.5 ft
- Major Flood
- 10.5 ft
Currently 5.67 ft below flood stage.
Recent Extremes
- Max discharge
-
533 cfsMar 6, 2026
- Min discharge
-
7 cfsOct 9, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Canoe Brook Near Summit NJNormal4.5 mi · 2 cfs
-
Passaic River Near Chatham NJNormal4.9 mi · 68 cfs
-
Second River at Belleville NJNormal10.1 mi · 9 cfs
-
Whippany River Near Pine Brook NJLow11.0 mi · 48 cfs
-
Whippany River at Morristown NJLow11.2 mi · 26 cfs