Donner und Blitzen HUC8 17120003
A 2,045 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
35
Stressed
Drought index
248
Severe
Area in D2+
47.51%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
70%
p10 of record
Water assets
186
55 springs · 30 wells
USGS gauges (1)
- DONNER UND BLITZEN RIVER NR FRENCHGLEN OR1039600030 cfsp10 · much below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 248 | 47.51 | 1/1 | p10 |
| 2026-10-18 | 248 | 47.51 | 1/1 | p15 |
| 2026-10-17 | 248 | 47.51 | 1/1 | p12 |
| 2026-10-16 | 248 | 47.51 | 1/1 | p12 |
| 2026-10-15 | 248 | 47.51 | 1/1 | p12 |
| 2026-10-14 | 248 | 47.51 | 1/1 | p10 |
| 2026-10-13 | 248 | 47.51 | 1/1 | p12 |
| 2026-10-12 | 248 | 47.51 | 1/1 | p10 |
| 2026-10-11 | 248 | 47.51 | 1/1 | p10 |
| 2026-10-10 | 248 | 47.51 | 1/1 | p10 |
| 2026-10-09 | 248 | 47.51 | 1/1 | p10 |
| 2026-10-08 | 248 | 47.51 | 1/1 | p12 |
| 2026-10-07 | 248 | 47.51 | 1/1 | p12 |
| 2026-10-06 | 248 | 47.51 | 1/1 | p10 |
Top water assets
- 76A Reservoir — Irrigationspring
- 76Donner & Blitzen River — Irrigationspring
- 76Donner & Blitzen River — Irrigationspring
- 76Donner & Blitzen River — Irrigationspring
- 73Cold Spring Creek — Irrigationspring
- 73Unnamed Stream — Irrigationspring
- 73Fred Riddle Reservoir — Irrigationspring
- 69Fish Creekriver
- 69Big Indian Creekriver
- 69McCoy Creekriver