Bois DE Sioux River Near White Rock, SD

USGS Site No: 05050000Bois DE Sioux River • Roberts County, SD

Bois DE Sioux River Near White Rock, SD on the Bois DE Sioux River is currently at 2 cfs (Low — 16th percentile for this date) . Gage height: 3.55 ft.

Reading from

2
CFS Discharge
3.55
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 1
25th Low threshold 4 Today: 2 cfs
50th (Median) Normal (median) 129
75th High threshold 586
95th Very High threshold 1,120

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.

3.9k 1.9k 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 18
May 27, 2026 182
May 26, 2026 136
May 25, 2026 7
May 24, 2026 7
May 23, 2026 6
May 22, 2026 4
May 21, 2026 5
May 20, 2026 4
May 19, 2026 3
May 18, 2026 33
May 17, 2026 91
May 16, 2026 91
May 15, 2026 95
Apr 20, 2026 437
Apr 19, 2026 438
Apr 18, 2026 455
Apr 17, 2026 459
Apr 16, 2026 467
Apr 15, 2026 477
Apr 14, 2026 485
Apr 13, 2026 486
Apr 12, 2026 481
Apr 11, 2026 473
Apr 10, 2026 474
Apr 9, 2026 470
Apr 8, 2026 467
Apr 7, 2026 458
Apr 6, 2026 420
Apr 5, 2026 357

Station Information

USGS Site No
05050000
State
SD
Coordinates
45.8626, -96.5732
Drainage Area
1,160 mi²
Datum (ft)
960.4
HUC Code
09020101
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
12.5 ft
Flood Stage
14.0 ft
Moderate Flood
19.0 ft
Major Flood
21.0 ft

Currently 10.45 ft below flood stage.

Recent Extremes

Max discharge
1,190 cfs
Aug 21, 2025
Min discharge
3 cfs
May 19, 2026
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges