Lehigh River at Walnutport, PA
USGS Site No: 01451000 • Lehigh River • Northampton County, PA
Lehigh River at Walnutport, PA on the Lehigh River is currently at 1,250 cfs (Normal — 57th percentile for this date) . Gage height: 2.81 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 | 360 | |
| 25th | Low threshold | 460 | |
| 50th (Median) | Normal (median) | 924 | |
| 75th | High threshold | 2,040 | Today: 1,250 cfs |
| 95th | Very High threshold | 4,550 |
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 28, 2026 | 1,400 | — |
| May 27, 2026 | 1,590 | — |
| May 26, 2026 | 1,730 | — |
| May 25, 2026 | 1,800 | — |
| May 24, 2026 | 1,820 | — |
| May 23, 2026 | 1,290 | — |
| May 22, 2026 | 1,050 | — |
| May 21, 2026 | 1,080 | — |
| May 20, 2026 | 1,070 | — |
| May 19, 2026 | 1,140 | — |
| May 18, 2026 | 1,120 | — |
| May 17, 2026 | 1,190 | — |
| May 16, 2026 | 1,480 | — |
| May 15, 2026 | 1,470 | — |
| Apr 21, 2026 | 1,080 | — |
| Apr 20, 2026 | 1,210 | — |
| Apr 19, 2026 | 1,130 | — |
| Apr 18, 2026 | 1,060 | — |
| Apr 17, 2026 | 1,190 | — |
| Apr 16, 2026 | 1,200 | — |
| Apr 15, 2026 | 1,240 | — |
| Apr 14, 2026 | 1,230 | — |
| Apr 13, 2026 | 1,170 | — |
| Apr 12, 2026 | 1,210 | — |
| Apr 11, 2026 | 1,280 | — |
| Apr 10, 2026 | 1,500 | — |
| Apr 9, 2026 | 1,630 | — |
| Apr 8, 2026 | 1,740 | — |
| Apr 7, 2026 | 1,850 | — |
| Apr 6, 2026 | 1,630 | — |
Station Information
- USGS Site No
- 01451000
- State
- PA
- County
- Northampton County
- Coordinates
- 40.7570, -75.6030
- Drainage Area
- 889 mi²
- Datum (ft)
- 349.5
- HUC Code
- 02040106
Flood Stage Thresholds
- Action Stage
- 7.5 ft
- Flood Stage
- 8.0 ft
- Moderate Flood
- 12.0 ft
- Major Flood
- 16.0 ft
Currently 5.19 ft below flood stage.
Recent Extremes
- Max discharge
-
8,980 cfsMay 10, 2025
- Min discharge
-
231 cfsSep 20, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Bushkill Creek above Rt 33 Bridge at Tatamy, PALow17.7 mi · 95 cfs
-
Bushkill Creek below Sr2017 Bridge at Tatamy, PANormal17.9 mi · 77 cfs
-
Pohatcong Crk at Creek Road near Carpentersville NJNormal24.3 mi · 26 cfs
-
Pocono Creek above Wigwam Run Near Stroudsburg, PALow24.3 mi · 19 cfs
-
Delaware River at Riegelsville NJNormal24.4 mi · 7,350 cfs