Lake Tahoe HUC8 16050101
A 1,313 km² sub-basin of the Great Basin region in CA, NV. 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
59
Moderate
Drought index
160
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
60%
of 10 reporting
Median flow
65%
p24 of record
Water assets
933
38 springs · 327 wells
USGS gauges (10)
- MARLETTE CK NR CARSON CITY, NV103367150 cfsp0 · much below normal
- BLACKWOOD C NR TAHOE CITY CA103366601 cfsp8 · much below normal
- GLENBROOK CK AT GLENBROOK, NV103367300 cfsp9 · much below normal
- WARD C AT HWY 89 NR TAHOE PINES CA103366761 cfsp20 · below normal
- GENERAL C NR MEEKS BAY CA103366451 cfsp22 · below normal
- UPPER TRUCKEE RV AT SOUTH LAKE TAHOE, CA103366107 cfsp25 · below normal
- INCLINE CK NR CRYSTAL BAY, NV103367002 cfsp26 · normal
- TROUT CK NR TAHOE VALLEY, CA1033678012 cfsp34 · normal
- THIRD CK NR CRYSTAL BAY, NV103366983 cfsp50 · normal
- UPPER TRUCKEE RV AT HWY 50 ABV MEYERS, CA10336609212 cfsp74 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 160 | 0 | 6/10 | p24 |
| 2026-10-18 | 160 | 0 | 5/10 | p26 |
| 2026-10-17 | 160 | 0 | 5/10 | p25 |
| 2026-10-16 | 160 | 0 | 4/10 | p27 |
| 2026-10-15 | 160 | 0 | 4/10 | p30 |
| 2026-10-14 | 160 | 0 | 4/10 | p30 |
| 2026-10-13 | 160 | 0 | 3/10 | p33 |
| 2026-10-12 | 160 | 0 | 3/10 | p33 |
| 2026-10-11 | 160 | 0 | 4/10 | p29 |
| 2026-10-10 | 160 | 0 | 4/10 | p26 |
| 2026-10-09 | 160 | 0 | 5/10 | p24 |
| 2026-10-08 | 160 | 0 | 5/10 | p25 |
| 2026-10-07 | 160 | 0 | 5/10 | p25 |
| 2026-10-06 | 160 | 0 | 5/10 | p26 |
Top water assets
- 69Ward C At Hwy 89 Nr Tahoe Pines Cariver
- 69Trout Ck Nr Tahoe Valley, Cariver
- 69General C Nr Meeks Bay Cariver
- 69Upper Truckee Rv At South Lake Tahoe, Cariver
- 69Upper Truckee Rv At Hwy 50 Abv Meyers, Cariver
- 69Blackwood C Nr Tahoe City Cariver
- 69Griff Creekriver
- 69Second Creekriver
- 69Upper Truckee Riverriver
- 69Incline Ck Nr Crystal Bay, Nvriver