Lower John Day HUC8 17070204
A 8,155 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
43
Stressed
Drought index
268
Severe
Area in D2+
60.33%
0% exceptional (D4)
Gauges below normal
100%
of 3 reporting
Median flow
59%
p11 of record
Water assets
434
95 springs · 75 wells
USGS gauges (3)
- BRIDGE CR ABV COYOTE CANYON NR MITCHELL, OR140467781 cfsp7 · much below normal
- JOHN DAY RIVER AT MCDONALD FERRY, OR14048000200 cfsp11 · below normal
- JOHN DAY RIVER AT SERVICE CREEK, OR14046500201 cfsp14 · below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 268 | 60.33 | 3/3 | p11 |
| 2026-10-19 | 268 | 60.33 | 3/3 | p10 |
| 2026-10-18 | 268 | 60.33 | 3/3 | p10 |
| 2026-10-17 | 268 | 60.33 | 3/3 | p12 |
| 2026-10-16 | 268 | 60.33 | 3/3 | p13 |
| 2026-10-15 | 268 | 60.33 | 3/3 | p13 |
| 2026-10-14 | 268 | 60.33 | 3/3 | p14 |
| 2026-10-13 | 268 | 60.33 | 3/3 | p16 |
| 2026-10-12 | 268 | 60.33 | 3/3 | p17 |
| 2026-10-11 | 268 | 60.33 | 3/3 | p19 |
| 2026-10-10 | 268 | 60.33 | 3/3 | p19 |
| 2026-10-09 | 268 | 60.33 | 3/3 | p20 |
| 2026-10-08 | 268 | 60.33 | 3/3 | p22 |
| 2026-10-07 | 268 | 60.33 | 2/3 | p19 |
Top water assets
- 76Rock Creek — Irrigationspring
- 76A Well — Irrigationwell
- 76Rock Creek — Irrigationspring
- 76Rock Creek — Irrigationspring
- 76Rock Creek — Irrigationspring
- 76Rock Creek — Irrigationspring
- 76Rock Creek — Irrigationspring
- 76Rock Creek — Irrigationspring
- 76Rock Creek — Irrigationspring
- 76Rock Creek — Irrigationspring