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 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
42
Stressed
Drought index
268
Severe
Area in D2+
60.33%
0% exceptional (D4)
Gauges below normal
100%
of 2 reporting
Median flow
37%
p12 of record
Water assets
434
95 springs · 75 wells
USGS gauges (3)
- JOHN DAY RIVER AT MCDONALD FERRY, OR1404800023 cfsp6 · much below normal
- JOHN DAY RIVER AT SERVICE CREEK, OR1404650056 cfsp17 · below normal
- BRIDGE CR ABV COYOTE CANYON NR MITCHELL, OR14046778no readingno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 268 | 60.33 | 2/2 | p12 |
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