Lamington (black) River Near Pottersville NJ
USGS Site No: 01399500 • Lamington (black) River • Morris County, NJ
Lamington (black) River Near Pottersville NJ on the Lamington (black) River is currently at 27 cfs (Normal — 50th percentile for this date) . Gage height: 1.72 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 | 12 | |
| 25th | Low threshold | 17 | |
| 50th (Median) | Normal (median) | 27 | |
| 75th | High threshold | 60 | Today: 27 cfs |
| 95th | Very High threshold | 134 |
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 | 29 | — |
| May 28, 2026 | 31 | — |
| May 27, 2026 | 30 | — |
| May 26, 2026 | 31 | — |
| May 25, 2026 | 38 | — |
| May 24, 2026 | 40 | — |
| May 23, 2026 | 19 | — |
| May 21, 2026 | 21 | — |
| May 20, 2026 | 19 | — |
| May 19, 2026 | 21 | — |
| May 18, 2026 | 23 | — |
| May 17, 2026 | 24 | — |
| May 16, 2026 | 26 | — |
| May 15, 2026 | 27 | — |
| Apr 21, 2026 | 24 | — |
| Apr 20, 2026 | 24 | — |
| Apr 19, 2026 | 25 | — |
| Apr 18, 2026 | 25 | — |
| Apr 17, 2026 | 27 | — |
| Apr 16, 2026 | 29 | — |
| Apr 15, 2026 | 32 | — |
| Apr 14, 2026 | 29 | — |
| Apr 13, 2026 | 30 | — |
| Apr 12, 2026 | 33 | — |
| Apr 11, 2026 | 33 | — |
| Apr 10, 2026 | 35 | — |
| Apr 9, 2026 | 35 | — |
| Apr 8, 2026 | 38 | — |
| Apr 7, 2026 | 42 | — |
| Apr 6, 2026 | 45 | — |
Station Information
- USGS Site No
- 01399500
- State
- NJ
- County
- Morris County
- Coordinates
- 40.7275, -74.7303
- Drainage Area
- 33 mi²
- Datum (ft)
- 284.1
- HUC Code
- 02030105
Flood Stage Thresholds
- Action Stage
- 3.5 ft
- Flood Stage
- 4.5 ft
Currently 2.78 ft below flood stage.
Recent Extremes
- Max discharge
-
221 cfsMay 31, 2025
- Min discharge
-
7 cfsSep 3, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
South Branch Raritan River at Four Bridges NJLow5.5 mi · 16 cfs
-
South Branch Raritan River Near High Bridge NJNormal8.5 mi · 46 cfs
-
Passaic River Near Millington NJNormal11.0 mi · 27 cfs
-
Whippany River Near Morristown NJNormal12.8 mi · 9 cfs
-
Rockaway River at Warren Street at Dover NJNormal14.1 mi · 56 cfs