Spruce Run at Main Street at Glen Gardner NJ
USGS Site No: 01396582 • Spruce Run • Hunterdon County, NJ
Spruce Run at Main Street at Glen Gardner NJ on the Spruce Run is currently at 7 cfs (Normal — 38th percentile for this date) . Gage height: 2.78 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 | 4 | |
| 25th | Low threshold | 6 | |
| 50th (Median) | Normal (median) | 9 | Today: 7 cfs |
| 75th | High threshold | 31 | |
| 95th | Very High threshold | 186 |
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 | 8 | — |
| May 28, 2026 | 8 | — |
| May 27, 2026 | 9 | — |
| May 26, 2026 | 12 | — |
| May 25, 2026 | 18 | — |
| May 24, 2026 | 30 | — |
| May 23, 2026 | 8 | — |
| May 22, 2026 | 8 | — |
| May 21, 2026 | 8 | — |
| May 20, 2026 | 7 | — |
| May 19, 2026 | 7 | — |
| May 18, 2026 | 7 | — |
| May 17, 2026 | 8 | — |
| May 16, 2026 | 8 | — |
| May 15, 2026 | 9 | — |
| Apr 21, 2026 | 11 | — |
| Apr 20, 2026 | 11 | — |
| Apr 19, 2026 | 11 | — |
| Apr 18, 2026 | 11 | — |
| Apr 17, 2026 | 11 | — |
| Apr 16, 2026 | 11 | — |
| Apr 15, 2026 | 12 | — |
| Apr 14, 2026 | 12 | — |
| Apr 13, 2026 | 12 | — |
| Apr 12, 2026 | 13 | — |
| Apr 11, 2026 | 13 | — |
| Apr 10, 2026 | 14 | — |
| Apr 9, 2026 | 14 | — |
| Apr 8, 2026 | 15 | — |
| Apr 7, 2026 | 16 | — |
Station Information
- USGS Site No
- 01396582
- State
- NJ
- County
- Hunterdon County
- Coordinates
- 40.6914, -74.9369
- Drainage Area
- 12 mi²
- Datum (ft)
- 379.1
- HUC Code
- 02030105
Flood Stage Thresholds
- Action Stage
- 5.5 ft
- Flood Stage
- 7.0 ft
Currently 4.22 ft below flood stage.
Recent Extremes
- Max discharge
-
166 cfsMay 14, 2025
- Min discharge
-
3 cfsOct 7, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
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South Branch Raritan River Near High Bridge NJNormal3.2 mi · 46 cfs
-
South Branch Raritan River at Four Bridges NJLow13.0 mi · 16 cfs
-
Passaic River Near Millington NJNormal21.4 mi · 27 cfs
-
Whippany River Near Morristown NJNormal23.8 mi · 9 cfs
-
Rockaway River at Warren Street at Dover NJNormal23.9 mi · 56 cfs