Assunpink Creek at Trenton NJ
USGS Site No: 01464000 • Assunpink Creek • Mercer County, NJ
Assunpink Creek at Trenton NJ on the Assunpink Creek is currently at 53 cfs (Normal — 38th percentile for this date) . Gage height: 2.83 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 | 31 | |
| 25th | Low threshold | 41 | |
| 50th (Median) | Normal (median) | 64 | Today: 53 cfs |
| 75th | High threshold | 112 | |
| 95th | Very High threshold | 408 |
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 | 55 | — |
| May 28, 2026 | 67 | — |
| May 27, 2026 | 81 | — |
| May 26, 2026 | 111 | — |
| May 25, 2026 | 168 | — |
| May 24, 2026 | 320 | — |
| May 23, 2026 | 50 | — |
| May 22, 2026 | 50 | — |
| May 21, 2026 | 89 | — |
| May 20, 2026 | 88 | — |
| May 19, 2026 | 34 | — |
| May 18, 2026 | 28 | — |
| May 17, 2026 | 29 | — |
| May 16, 2026 | 31 | — |
| May 15, 2026 | 32 | — |
| Apr 21, 2026 | 47 | — |
| Apr 20, 2026 | 50 | — |
| Apr 19, 2026 | 52 | — |
| Apr 18, 2026 | 55 | — |
| Apr 17, 2026 | 57 | — |
| Apr 16, 2026 | 62 | — |
| Apr 15, 2026 | 60 | — |
| Apr 14, 2026 | 61 | — |
| Apr 13, 2026 | 54 | — |
| Apr 12, 2026 | 55 | — |
| Apr 11, 2026 | 59 | — |
| Apr 10, 2026 | 61 | — |
| Apr 9, 2026 | 64 | — |
| Apr 8, 2026 | 68 | — |
| Apr 7, 2026 | 75 | — |
Station Information
- USGS Site No
- 01464000
- State
- NJ
- County
- Mercer County
- Coordinates
- 40.2242, -74.7492
- Drainage Area
- 91 mi²
- Datum (ft)
- 24.8
- HUC Code
- 02040105
Flood Stage Thresholds
- Action Stage
- 7.0 ft
- Flood Stage
- 8.5 ft
- Moderate Flood
- 9.5 ft
- Major Flood
- 11.0 ft
Currently 5.67 ft below flood stage.
Recent Extremes
- Max discharge
-
652 cfsMar 6, 2026
- Min discharge
-
15 cfsSep 22, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Stony Brook at Princeton NJNormal8.3 mi · 11 cfs
-
Pike Run at Belle Mead NJLow17.7 mi · 1 cfs
-
Neshanic River at Reaville NJNormal17.7 mi · 6 cfs
-
Millstone River at Blackwells Mills NJNormal19.6 mi · 157 cfs
-
Holland Brook at Readington NJVery High23.1 mi · 31 cfs