Upper Klamath Lake HUC8 18010203
A 1,875 km² sub-basin of the California 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
51
Moderate
Drought index
273
Severe
Area in D2+
72.94%
0% exceptional (D4)
Gauges below normal
50%
of 4 reporting
Median flow
76%
p21 of record
Water assets
398
57 springs · 143 wells
USGS gauges (6)
- ANNIE SPRING NEAR CRATER LAKE, OR115030001 cfsp9 · much below normal
- WOOD RIVER NEAR KLAMATH AGENCY, OR11504115321 cfsp10 · below normal
- SEVENMILE CNL AT DIKE RD BR, NR KLAMATH AGENCY, OR1150429043 cfsp32 · normal
- A CANAL AT KLAMATH FALLS, OR1150720015 cfsp66 · normal
- FOURMILE CANAL NEAR KLAMATH AGENCY, OR1150426023 cfsno long-term record
- CRYSTAL CREEK NEAR ROCKY POINT, OR1150427023 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 273 | 72.94 | 2/4 | p21 |
| 2026-10-19 | 273 | 72.94 | 2/3 | p10 |
| 2026-10-18 | 273 | 72.94 | 3/3 | p9 |
| 2026-10-17 | 273 | 72.94 | 2/3 | p10 |
| 2026-10-16 | 273 | 72.94 | 2/4 | p23 |
| 2026-10-15 | 273 | 72.94 | 3/4 | p9 |
| 2026-10-14 | 273 | 72.94 | 3/4 | p18 |
| 2026-10-13 | 273 | 72.94 | 3/4 | p12 |
| 2026-10-12 | 273 | 72.94 | 2/3 | p11 |
| 2026-10-11 | 273 | 72.94 | 3/4 | p17 |
| 2026-10-10 | 273 | 72.94 | 2/4 | p22 |
| 2026-10-09 | 273 | 72.94 | 3/4 | p18 |
| 2026-10-08 | 273 | 72.94 | 3/4 | p17 |
| 2026-10-07 | 273 | 72.94 | 3/4 | p17 |
Top water assets
- 76Annie Creek — Irrigationspring
- 76Wood River — Irrigationspring
- 76Waste Waters — Irrigationspring
- 76Fort Creek — Irrigationspring
- 76Annie Creek — Irrigationspring
- 73Annie Creek — Irrigation, Livestock And Domesticspring
- 73Annie Creek — Irrigationspring
- 73Annie Creek — Irrigationspring
- 69Annie Spring Near Crater Lake, Orspring
- 69Annie Creekriver