West Branch Perkiomen Creek at Hillegass, PA

USGS Site No: 01472199West 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 — 12th 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 June 11 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 10
25th Low threshold 16 Today: 11 cfs
50th (Median) Normal (median) 21
75th High threshold 33
95th Very High threshold 125

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