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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
57
Moderate
Drought index
211
Severe
Area in D2+
38.99%
0% exceptional (D4)
Gauges below normal
67%
of 3 reporting
Median flow
35%
p16 of record
Water assets
238
67 springs · 118 wells
USGS gauges (4)
- WILLOW CREEK ABV WILLOW CR LAKE, NR HEPPNER, OR140344701 cfsp11 · below normal
- WILLOW CREEK AT HEPPNER, OR140345001 cfsp16 · below normal
- WILLOW CREEK AT MORGAN STREET, AT HEPPNER, OR140346082 cfsp30 · normal
- BALM FORK NEAR HEPPNER, OR140344800 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-22 | 211 | 38.99 | 2/3 | p16 |
| 2026-10-21 | 211 | 38.99 | 2/3 | p17 |
| 2026-10-20 | 211 | 38.99 | 2/3 | p21 |
| 2026-10-19 | 211 | 38.99 | 2/3 | p18 |
| 2026-10-18 | 211 | 38.99 | 2/3 | p23 |
| 2026-10-17 | 211 | 38.99 | 2/3 | p24 |
| 2026-10-16 | 211 | 38.99 | 1/3 | p26 |
| 2026-10-15 | 211 | 38.99 | 1/3 | p26 |
| 2026-10-14 | 211 | 38.99 | 1/3 | p28 |
| 2026-10-13 | 211 | 38.99 | 1/3 | p29 |
| 2026-10-12 | 211 | 38.99 | 1/3 | p29 |
| 2026-10-11 | 211 | 38.99 | 1/3 | p27 |
| 2026-10-10 | 211 | 38.99 | 2/3 | p25 |
| 2026-10-09 | 211 | 38.99 | 2/3 | p24 |
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