Lawrence Brook at Westons Mills NJ
USGS Site No: 01405030 • Lawrence Brook • Middlesex County, NJ
Lawrence Brook at Westons Mills NJ on the Lawrence Brook is currently at 14 cfs (Normal — 28th percentile for this date) . Gage height: 15.78 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 | 8 | |
| 25th | Low threshold | 12 | |
| 50th (Median) | Normal (median) | 30 | Today: 14 cfs |
| 75th | High threshold | 76 | |
| 95th | Very High threshold | 349 |
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 | 15 | — |
| May 28, 2026 | 17 | — |
| May 27, 2026 | 23 | — |
| May 26, 2026 | 35 | — |
| May 25, 2026 | 37 | — |
| May 24, 2026 | 106 | — |
| May 23, 2026 | 23 | — |
| May 22, 2026 | 16 | — |
| May 21, 2026 | 28 | — |
| May 20, 2026 | 26 | — |
| May 19, 2026 | 12 | — |
| May 18, 2026 | 13 | — |
| May 17, 2026 | 13 | — |
| May 16, 2026 | 13 | — |
| May 15, 2026 | 13 | — |
| Apr 21, 2026 | 16 | — |
| Apr 20, 2026 | 15 | — |
| Apr 19, 2026 | 16 | — |
| Apr 18, 2026 | 15 | — |
| Apr 17, 2026 | 16 | — |
| Apr 16, 2026 | 16 | — |
| Apr 15, 2026 | 16 | — |
| Apr 14, 2026 | 17 | — |
| Apr 13, 2026 | 16 | — |
| Apr 12, 2026 | 17 | — |
| Apr 11, 2026 | 17 | — |
| Apr 10, 2026 | 18 | — |
| Apr 9, 2026 | 17 | — |
| Apr 8, 2026 | 18 | — |
| Apr 7, 2026 | 19 | — |
Station Information
- USGS Site No
- 01405030
- State
- NJ
- County
- Middlesex County
- Coordinates
- 40.4831, -74.4128
- Drainage Area
- 45 mi²
- Datum (ft)
- 0.0
- HUC Code
- 02030105
Flood Stage Thresholds
- Action Stage
- 17.0 ft
- Flood Stage
- 18.0 ft
Currently 2.22 ft below flood stage.
Recent Extremes
- Max discharge
-
371 cfsMar 6, 2026
- Min discharge
-
1 cfsSep 24, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Robinsons Branch at Rahway NJNormal10.4 mi · 7 cfs
-
Robinsons Branch at Maple Ave at Rahway NJLow10.6 mi · 1 cfs
-
Rahway River at Rahway NJNormal11.6 mi · 17 cfs
-
Passaic River Near Millington NJNormal14.9 mi · 27 cfs
-
Rahway River Near Springfield NJNormal15.1 mi · 12 cfs