Willow HUC8 17070104
A 2,247 km² sub-basin of the Pacific Northwest region in OR. 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
68
Moderate
Drought index
211
Severe
Area in D2+
38.95%
0% exceptional (D4)
Gauges below normal
0%
of 3 reporting
Median flow
86%
p40 of record
Water assets
238
67 springs · 118 wells
USGS gauges (4)
- WILLOW CREEK ABV WILLOW CR LAKE, NR HEPPNER, OR140344700 cfsp27 · normal
- WILLOW CREEK AT MORGAN STREET, AT HEPPNER, OR1403460812 cfsp40 · normal
- WILLOW CREEK AT HEPPNER, OR140345009 cfsp78 · above normal
- BALM FORK NEAR HEPPNER, OR140344800 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 211 | 38.95 | 0/3 | p40 |
Top water assets
- 76A Well — Temperature Controlwell
- 76Well 5 — Primary And Supplemental Irrigationwell
- 76A Well — Temperature Controlwell
- 76A Well — Temperature Controlwell
- 76A Well — Temperature Controlwell
- 76Well 6 — Primary And Supplemental Irrigationwell
- 76Well 7 — Primary And Supplemental Irrigationwell
- 76A Well — Temperature Controlwell
- 76A Well — Temperature Controlwell
- 76A Well — Temperature Controlwell