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 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
76
Healthy
Drought index
118
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
93%
p46 of record
Water assets
2,766
3 springs · 1,011 wells
USGS gauges (1)
- WHITE RIVER NEAR OACOMA, SD0645200086 cfsp46 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 118 | 0 | 0/1 | p46 |
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