Crow HUC8 10140105
A 3,019 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
79
Healthy
Drought index
65
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
400%
p58 of record
Water assets
2,081
4 springs · 1,185 wells
USGS gauges (1)
- ELM CREEK NEAR GANN VALLEY, SD064429000 cfsp58 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 65 | 0 | 0/1 | p58 |
Top water assets
- 76John Mayerwell
- 76Thompson Hereford Ranchwell
- 76Pheasant Crest Lodge Incwell
- 76Jim Taylorwell
- 76Spring Valley Httrn Brthwell
- 76Lyle Pawlowskiwell
- 76Todd Grohswell
- 76Pheasant Crest Lodge Incwell
- 76Edna Haakwell
- 76Glenn T Mayerwell