West Branch Perkiomen Creek at Hillegass, PA

USGS Site No: 01472199 • West Branch Perkiomen Creek • Montgomery County, PA

West Branch Perkiomen Creek at Hillegass, PA on the West Branch Perkiomen Creek is currently at 11 cfs (Low — 23th percentile for this date) . Gage height: 0.51 ft.

Reading from

11
CFS Discharge
0.51
Gage Height (ft)
Low
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 8
25th Low threshold 11 Today: 11 cfs
50th (Median) Normal (median) 17
75th High threshold 39
95th Very High threshold 272

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.

623 312 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 13 —
May 27, 2026 14 —
May 26, 2026 18 —
May 25, 2026 28 —
May 24, 2026 50 —
May 23, 2026 11 —
May 22, 2026 11 —
May 21, 2026 10 —
May 20, 2026 9 —
May 19, 2026 9 —
May 18, 2026 10 —
May 17, 2026 10 —
May 16, 2026 11 —
May 15, 2026 12 —
Apr 21, 2026 14 —
Apr 20, 2026 17 —
Apr 19, 2026 15 —
Apr 18, 2026 13 —
Apr 17, 2026 14 —
Apr 16, 2026 15 —
Apr 15, 2026 16 —
Apr 14, 2026 19 —
Apr 13, 2026 16 —
Apr 12, 2026 16 —
Apr 11, 2026 17 —
Apr 10, 2026 18 —
Apr 9, 2026 18 —
Apr 8, 2026 19 —
Apr 7, 2026 22 —
Apr 6, 2026 33 —

Station Information

USGS Site No
01472199
State
PA
Coordinates
40.3740, -75.5224
Drainage Area
23 mi²
Datum (ft)
290.0
HUC Code
02040203
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
4.0 ft
Flood Stage
5.0 ft
Moderate Flood
6.0 ft
Major Flood
8.0 ft

Currently 4.49 ft below flood stage.

Recent Extremes

Max discharge
505 cfs
Jul 1, 2025
Min discharge
8 cfs
Nov 15, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges