Upper Malheur HUC8 17050116
A 6,289 km² sub-basin of the Pacific Northwest region in OR. 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
46
Stressed
Drought index
322
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
769
124 springs · 29 wells
USGS gauges (1)
- SOUTH FORK MALHEUR RIVER NR RIVERSIDE, OR1321548021 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 322 | 100 | — | — |
| 2026-10-19 | 322 | 100 | — | — |
| 2026-10-18 | 322 | 100 | — | — |
| 2026-10-17 | 322 | 100 | — | — |
| 2026-10-16 | 322 | 100 | — | — |
| 2026-10-15 | 322 | 100 | — | — |
| 2026-10-14 | 322 | 100 | — | — |
| 2026-10-13 | 322 | 100 | — | — |
| 2026-10-12 | 322 | 100 | — | — |
| 2026-10-11 | 322 | 100 | — | — |
| 2026-10-10 | 322 | 100 | — | — |
| 2026-10-09 | 322 | 100 | — | — |
| 2026-10-08 | 322 | 100 | — | — |
| 2026-10-07 | 322 | 100 | — | — |
Top water assets
- 76Mccoy Creek — Irrigationspring
- 76Lake Creek — Irrigationspring
- 76Lake Creek — Irrigationspring
- 76Pine Creek — Irrigationspring
- 76Newell Creek — Irrigationspring
- 76Warm Spring — Supplemental Irrigationspring
- 73North Fork Malheur River — Irrigationspring
- 73Pole Creek — Irrigationspring
- 70Bear Creek — Road Constructionspring
- 70Conroy Creek — Road Constructionspring