West Branch Du Page River Near West Chicago, IL

USGS Site No: 05539900West Branch Du Page River • DuPage County, IL

West Branch Du Page River Near West Chicago, IL on the West Branch Du Page River is currently at 20 cfs (Normal — 30th percentile for this date) . Gage height: 3.71 ft.

Reading from

20
CFS Discharge
3.71
Gage Height (ft)
Normal
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 12
25th Low threshold 18
50th (Median) Normal (median) 29 Today: 20 cfs
75th High threshold 41
95th Very High threshold 141

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.

561 280 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 19 3.69
May 27, 2026 21 3.74
May 26, 2026 24 3.81
May 25, 2026 30 3.94
May 24, 2026 45 4.12
May 23, 2026 22 3.75
May 22, 2026 21 3.73
May 21, 2026 22 3.76
May 20, 2026 24 3.81
May 19, 2026 30 3.94
May 18, 2026 32 3.95
May 17, 2026 24 3.79
May 16, 2026 24 3.81
May 15, 2026 21 3.74
Apr 20, 2026 115 4.90
Apr 19, 2026 156 5.22
Apr 18, 2026 276 6.03
Apr 17, 2026 195 5.49
Apr 16, 2026 347 6.53
Apr 15, 2026 519 7.54
Apr 14, 2026 66 4.49
Apr 13, 2026 64 4.47
Apr 12, 2026 49 4.29
Apr 11, 2026 56 4.38
Apr 10, 2026 74 4.56
Apr 9, 2026 55 4.37
Apr 8, 2026 65 4.48
Apr 7, 2026 83 4.64
Apr 6, 2026 113 4.88
Apr 5, 2026 144 5.13

Station Information

USGS Site No
05539900
State
IL
County
DuPage County
Coordinates
41.9110, -88.1791
Drainage Area
29 mi²
Datum (ft)
717.4
HUC Code
07120004
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
6.0 ft
Flood Stage
7.0 ft
Moderate Flood
9.0 ft
Major Flood
11.0 ft

Currently 3.29 ft below flood stage.

Recent Extremes

Max discharge
519 cfs
Apr 15, 2026
Min discharge
12 cfs
Jul 3, 2025
Days at flood stage
3

Computed from the local daily-values archive.

Nearby Gauges