How high is the Lehigh River at Glendon, PA right now?

The Lehigh River at Glendon, PA is currently flowing at 1,680 cubic feet per second with a gage height of 7.98 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Lehigh River at Glendon, PA normal for this time of year?

Current flow is classified as normal for October 28. Today's discharge is at the 54th percentile compared to the long-term historical record at this gauge.

Is the Lehigh River at Glendon, PA at flood stage?

No — the gage height is 11.02 feet below the NWS flood-stage threshold of 19.0 feet.

What is the historical median flow for the Lehigh River at Glendon, PA on October 28?

The long-term median discharge for this date is 1,420 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 707 to 5,410 cfs.

Where is the Lehigh River at Glendon, PA stream gauge located?

The Lehigh River at Glendon, PA stream gauge is operated by the USGS in Northampton County, PA on the Lehigh River. USGS site number 01454700 (coordinates 40.6693, -75.2363).

Lehigh River at Glendon, PA

USGS Site No: 01454700 • Lehigh River • Northampton County, PA

Lehigh River at Glendon, PA on the Lehigh River is currently at 1,680 cfs (Normal — 54th percentile for this date) . Gage height: 7.98 ft.

Reading from 4 months ago

↑ Upstream on Lehigh River

Lehigh River at Bethlehem, PA

1,680

CFS Discharge

7.98

Gage Height (ft)

Normal

Flow Condition

Normal

Flood Status

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	707
25th	Low threshold	960
50th (Median)	Normal (median)	1,420
75th	High threshold	3,120	Today: 1,680 cfs
95th	Very High threshold	5,410

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.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	2,000	—
May 27, 2026	2,300	—
May 26, 2026	2,510	—
May 25, 2026	2,760	—
May 24, 2026	2,880	—
May 23, 2026	1,450	—
May 22, 2026	1,380	—
May 21, 2026	1,430	—
May 20, 2026	1,480	—
May 19, 2026	1,440	—
May 18, 2026	1,460	—
May 17, 2026	1,700	—
May 16, 2026	1,870	—
May 15, 2026	1,910	—
Apr 21, 2026	1,570	—
Apr 20, 2026	1,780	—
Apr 19, 2026	1,620	—
Apr 18, 2026	1,560	—
Apr 17, 2026	1,670	—
Apr 16, 2026	1,690	—
Apr 15, 2026	1,750	—
Apr 14, 2026	1,760	—
Apr 13, 2026	1,680	—
Apr 12, 2026	1,760	—
Apr 11, 2026	1,940	—
Apr 10, 2026	2,240	—
Apr 9, 2026	2,400	—
Apr 8, 2026	2,540	—
Apr 7, 2026	2,630	—
Apr 6, 2026	2,510	—

Station Information

USGS Site No: 01454700
State: PA
County: Northampton County
Coordinates: 40.6693, -75.2363
Drainage Area: 1,359 mi²
Datum (ft): 164.3
HUC Code: 02040106

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 16.0 ft
Flood Stage: 19.0 ft
Moderate Flood: 20.0 ft
Major Flood: 21.0 ft

Currently 11.02 ft below flood stage.

Recent Extremes

Max discharge: 11,900 cfs

May 10, 2025
Min discharge: 526 cfs

Oct 28, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Mulhockaway Creek at Van Syckel NJ
14.1 mi · 6 cfs

Normal
Spruce Run at Main Street at Glen Gardner NJ
15.8 mi · 7 cfs

Normal
Spruce Run at Clinton NJ
16.9 mi · 6 cfs

Very Low
South Branch Raritan River Near High Bridge NJ
18.7 mi · 46 cfs

Normal
South Branch Raritan River at Stanton NJ
20.4 mi · 48 cfs

Very Low