Middle Fork John Day HUC8 17070203
A 2,052 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
27
Critical
Drought index
400
Exceptional
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
100%
of 2 reporting
Median flow
63%
p8 of record
Water assets
60
15 springs · 5 wells
USGS gauges (2)
- MF JOHN DAY RIVER ABV CAMP CREEK, NR GALENA, OR1404384016 cfsp8 · much below normal
- MIDDLE FORK JOHN DAY RIVER AT RITTER, OR1404400024 cfsp9 · much below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 400 | 100 | 2/2 | p8 |
| 2026-10-19 | 400 | 100 | 2/2 | p8 |
| 2026-10-18 | 400 | 100 | 2/2 | p8 |
| 2026-10-17 | 400 | 100 | 2/2 | p9 |
| 2026-10-16 | 400 | 100 | 2/2 | p9 |
| 2026-10-15 | 400 | 100 | 2/2 | p9 |
| 2026-10-14 | 400 | 100 | 2/2 | p9 |
| 2026-10-13 | 400 | 100 | 2/2 | p9 |
| 2026-10-12 | 400 | 100 | 2/2 | p9 |
| 2026-10-11 | 400 | 100 | 2/2 | p8 |
| 2026-10-10 | 400 | 100 | 2/2 | p8 |
| 2026-10-09 | 400 | 100 | 2/2 | p8 |
| 2026-10-08 | 400 | 100 | 2/2 | p8 |
| 2026-10-07 | 400 | 100 | 2/2 | p8 |
Top water assets
- 73Vinegar Creek — Irrigationspring
- 68Middle Fork John Day River — Irrigationspring
- 67Eightmile Creekriver
- 67Mf John Day River Abv Camp Creek, Nr Galena, Orriver
- 67Long Creekriver
- 67Davis Creekriver
- 67Middle Fork John Day Riverriver
- 67Middle Fork John Day River At Ritter, Orriver
- 67Middle Fork John Day Riverriver
- 67Middle Fork John Day Riverriver