Upper Klamath HUC8 18010206
A 3,687 km² sub-basin of the California region in CA, 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
58
Moderate
Drought index
214
Severe
Area in D2+
14.29%
0% exceptional (D4)
Gauges below normal
75%
of 4 reporting
Median flow
75%
p21 of record
Water assets
1,595
29 springs · 32 wells
USGS gauges (4)
- KLAMATH R NR SEIAD VALLEY CA115205001,250 cfsp13 · below normal
- KLAMATH RIVER AT KENO, OR11509500775 cfsp21 · below normal
- KLAMATH R BL IRON GATE DAM CA115165301,020 cfsp21 · below normal
- KLAMATH RIVER BLW JOHN C.BOYLE PWRPLNT, NR KENO,OR11510700966 cfsp27 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 214 | 14.29 | 3/4 | p21 |
| 2026-10-18 | 214 | 14.29 | 3/4 | p22 |
| 2026-10-17 | 214 | 14.29 | 3/4 | p22 |
| 2026-10-16 | 214 | 14.29 | 3/4 | p19 |
| 2026-10-15 | 214 | 14.29 | 4/4 | p20 |
| 2026-10-14 | 214 | 14.29 | 4/4 | p16 |
| 2026-10-13 | 214 | 14.29 | 4/4 | p15 |
| 2026-10-12 | 214 | 14.29 | 4/4 | p14 |
| 2026-10-11 | 214 | 14.29 | 4/4 | p16 |
| 2026-10-10 | 214 | 14.29 | 3/4 | p15 |
| 2026-10-09 | 214 | 14.29 | 3/4 | p18 |
| 2026-10-08 | 214 | 14.29 | 4/4 | p18 |
| 2026-10-07 | 214 | 14.29 | 3/4 | p18 |
| 2026-10-06 | 214 | 14.29 | 3/4 | p19 |
Top water assets
- 76Spring Creek — Aquaculturespring
- 76Spring Creek — Aquaculturespring
- 76Spring Creek — Aquaculturespring
- 69Grider Creekriver
- 69Kuntz Creekriver
- 69Cow Creekriver
- 69Grider Creekriver
- 69Little Red Mountain Creekriver
- 69West Branch Long John Creekriver
- 69Shovel Creekriver