Bois DE Sioux River Near White Rock, SD

USGS Site No: 05050000 • Bois 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 (Normal — 41th percentile for this date) . Gage height: 3.55 ft.

Reading from

2
CFS Discharge
3.55
Gage Height (ft)
Normal
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 0
25th Low threshold 0
50th (Median) Normal (median) 3 Today: 2 cfs
75th High threshold 19
95th Very High threshold 378

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