Upper John Day HUC8 17070201
A 5,540 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
25
Critical
Drought index
400
Exceptional
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
100%
of 2 reporting
Median flow
69%
p9 of record
Water assets
383
137 springs · 53 wells
USGS gauges (2)
- JOHN DAY RIVER NEAR JOHN DAY, OR1403853063 cfsp9 · much below normal
- JOHN DAY R AT BLUE MTN HOT SPGS NR PRAIRIE CITY,OR1403686024 cfsp10 · much below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 400 | 100 | 2/2 | p9 |
| 2026-10-19 | 400 | 100 | 2/2 | p9 |
| 2026-10-18 | 400 | 100 | 2/2 | p9 |
| 2026-10-17 | 400 | 100 | 2/2 | p9 |
| 2026-10-16 | 400 | 100 | 2/2 | p10 |
| 2026-10-15 | 400 | 100 | 2/2 | p10 |
| 2026-10-14 | 400 | 100 | 2/2 | p10 |
| 2026-10-13 | 400 | 100 | 2/2 | p9 |
| 2026-10-12 | 400 | 100 | 2/2 | p9 |
| 2026-10-11 | 400 | 100 | 2/2 | p9 |
| 2026-10-10 | 400 | 100 | 2/2 | p9 |
| 2026-10-09 | 400 | 100 | 2/2 | p9 |
| 2026-10-08 | 400 | 100 | 2/2 | p9 |
| 2026-10-07 | 400 | 100 | 2/2 | p9 |
Top water assets
- 78Indian Creek — Irrigationspring
- 76A Well — Supplemental Irrigationwell
- 76Ingle Creek — Irrigationspring
- 76A Well — Irrigationwell
- 76A Well — Irrigationwell
- 76Snow Creek — Irrigationspring
- 73Indian Creek — Irrigationspring
- 73Strawberry Creek — Irrigationspring
- 73Shaw Gulch — Irrigationspring
- 69Canyon Creekriver