Elm HUC8 10160004
A 4,010 km² sub-basin of the Missouri region in ND, 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
79
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
85%
p47 of record
Water assets
1,595
0 springs · 737 wells
USGS gauges (2)
- ELM RIVER AT WESTPORT, SD064715005 cfsp42 · normal
- MAPLE RIVER AT ND-SD STATE LINE064712000 cfsp52 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 79 | 0 | 0/2 | p47 |
| 2026-10-20 | 79 | 0 | 0/2 | p47 |
| 2026-10-19 | 79 | 0 | 0/2 | p46 |
| 2026-10-18 | 79 | 0 | 0/2 | p45 |
| 2026-10-17 | 79 | 0 | 0/2 | p45 |
| 2026-10-16 | 79 | 0 | 0/2 | p47 |
| 2026-10-15 | 79 | 0 | 0/2 | p46 |
| 2026-10-14 | 79 | 0 | 0/2 | p45 |
| 2026-10-13 | 79 | 0 | 0/2 | p46 |
| 2026-10-12 | 79 | 0 | 0/2 | p47 |
| 2026-10-11 | 79 | 0 | 0/2 | p48 |
| 2026-10-10 | 79 | 0 | 0/2 | p47 |
| 2026-10-09 | 79 | 0 | 0/2 | p48 |
| 2026-10-08 | 87 | 0 | 0/2 | p71 |
Top water assets
- 76Harold C. Schlosserwell
- 76Trins Construction Incwell
- 76Kindelspire Farms Incwell
- 76Nick Berboswell
- 76Aaron Bieberriver
- 76Aberdeenriver
- 76City Of Aberdeenriver
- 76City Of Aberdeenriver
- 76Carl W Larsonwell
- 76Harley Hallwell