Oak Creek at South Milwaukee, WI

USGS Site No: 04087204Oak Creek • Milwaukee County, WI

Oak Creek at South Milwaukee, WI on the Oak Creek is currently at 4 cfs (Normal — 25th percentile for this date) . Gage height: 2.31 ft.

Reading from

4
CFS Discharge
2.31
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 3
25th Low threshold 4
50th (Median) Normal (median) 8 Today: 4 cfs
75th High threshold 21
95th Very High threshold 111

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.

724 362 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 4
May 27, 2026 4
May 26, 2026 5
May 25, 2026 9
May 24, 2026 8
May 23, 2026 5
May 22, 2026 5
May 21, 2026 5
May 20, 2026 5
May 19, 2026 6
May 18, 2026 6
May 17, 2026 8
May 16, 2026 9
May 15, 2026 6
Apr 20, 2026 70
Apr 19, 2026 153
Apr 18, 2026 365
Apr 17, 2026 437
Apr 16, 2026 670
Apr 15, 2026 284
Apr 14, 2026 100
Apr 13, 2026 74
Apr 12, 2026 44
Apr 11, 2026 59
Apr 10, 2026 114
Apr 9, 2026 31
Apr 8, 2026 38
Apr 7, 2026 55
Apr 6, 2026 119
Apr 5, 2026 331

Station Information

USGS Site No
04087204
State
WI
Coordinates
42.9250, -87.8700
Drainage Area
25 mi²
Datum (ft)
631.1
HUC Code
04040002
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
5.5 ft
Flood Stage
8.0 ft
Moderate Flood
10.0 ft
Major Flood
11.0 ft

Currently 5.69 ft below flood stage.

Recent Extremes

Max discharge
882 cfs
Aug 10, 2025
Min discharge
2 cfs
Nov 6, 2025
Days at flood stage
0

Computed from the local daily-values archive.