South Grand HUC8 10290108
A 5,302 km² sub-basin of the Missouri region in KS, MO. 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
72
Moderate
Drought index
64
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
33%
of 3 reporting
Median flow
51%
p32 of record
Water assets
2,049
10 springs · 1,141 wells
USGS gauges (3)
- Big Creek near Blairstown, MO069217201 cfsp21 · below normal
- South Grand River at Urich, MO069216007 cfsp32 · normal
- South Grand River at Archie, MO069215904 cfsp32 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 64 | 0 | 1/3 | p32 |
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