North Fork John Day HUC8 17070202
A 4,787 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
28
Critical
Drought index
400
Exceptional
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
52%
p8 of record
Water assets
152
31 springs · 8 wells
USGS gauges (1)
- NORTH FORK JOHN DAY RIVER AT MONUMENT, OR1404600077 cfsp8 · much below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 400 | 100 | 1/1 | p8 |
| 2026-10-19 | 400 | 100 | 1/1 | p8 |
| 2026-10-18 | 400 | 100 | 1/1 | p9 |
| 2026-10-17 | 400 | 100 | 1/1 | p9 |
| 2026-10-16 | 400 | 100 | 1/1 | p9 |
| 2026-10-15 | 400 | 100 | 1/1 | p9 |
| 2026-10-14 | 400 | 100 | 1/1 | p9 |
| 2026-10-13 | 400 | 100 | 1/1 | p8 |
| 2026-10-12 | 400 | 100 | 1/1 | p8 |
| 2026-10-11 | 400 | 100 | 1/1 | p8 |
| 2026-10-10 | 400 | 100 | 1/1 | p8 |
| 2026-10-09 | 400 | 100 | 1/1 | p8 |
| 2026-10-08 | 400 | 100 | 1/1 | p8 |
| 2026-10-07 | 400 | 100 | 1/1 | p8 |
Top water assets
- 76Lightning Creek — Miningspring
- 76Deer Creek — Irrigationspring
- 76Olive Creek — Miningspring
- 73Straight Creek — Irrigationspring
- 73Rudio Creek — Irrigationspring
- 69Crane Creekriver
- 69Crane Creekriver
- 69Crane Creekriver
- 69North Fork John Day Riverriver
- 69South Fork Desolation Creekriver