Lower White HUC8 10140204
A 5,455 km² sub-basin of the Missouri region in SD. Drought coverage is from the US Drought Monitor (map of 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
78
Healthy
Drought index
94
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
83%
p40 of record
Water assets
2,766
3 springs · 1,011 wells
USGS gauges (1)
- WHITE RIVER NEAR OACOMA, SD0645200091 cfsp40 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 94 | 0 | 0/1 | p40 |
| 2026-10-20 | 94 | 0 | 0/1 | p41 |
| 2026-10-19 | 94 | 0 | 0/1 | p41 |
| 2026-10-18 | 94 | 0 | 0/1 | p42 |
| 2026-10-17 | 94 | 0 | 0/1 | p43 |
| 2026-10-16 | 94 | 0 | 0/1 | p38 |
| 2026-10-15 | 94 | 0 | 0/1 | p48 |
| 2026-10-14 | 94 | 0 | 0/1 | p46 |
| 2026-10-13 | 94 | 0 | 0/1 | p45 |
| 2026-10-12 | 94 | 0 | 0/1 | p50 |
| 2026-10-11 | 94 | 0 | 0/1 | p50 |
| 2026-10-10 | 94 | 0 | 0/1 | p53 |
| 2026-10-09 | 94 | 0 | 0/1 | p59 |
| 2026-10-08 | 94 | 0 | 0/1 | p67 |
Top water assets
- 76Gene Holmquistriver
- 76Cooper\Quinten Garnosriver
- 76Cooper\Quinten Garnosriver
- 76Harlan Halversonriver
- 76Frank Sandwell
- 76E.M. Sedgwickriver
- 76Miles Dejongriver
- 76Zoske Brothersriver
- 76City Of Winnerwell
- 76Douglas J Perryriver