Upper Carson HUC8 16050201
A 2,482 km² sub-basin of the Great Basin region in CA, NV. 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
68
Moderate
Drought index
122
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
29%
of 21 reporting
Median flow
80%
p32 of record
Water assets
2,408
73 springs · 1,762 wells
USGS gauges (24)
- LEVIATHAN C AB MINE NR MARKLEEVILLE CA103087830 cfsp10 · below normal
- UNNAMED TRIB 1 TO LEVIATHAN C AT LEVIATHAN MINE CA1030878350 cfsp10 · below normal
- LEVIATHAN MINE PIT FLOW NR MARKLEEVILLE CA103087850 cfsp10 · below normal
- LEVIATHAN MINE PIT JUNCTION BOX NR MARKLEEVILLE CA1030878550 cfsp10 · below normal
- UNNAMED TRIB 2 TO LEVIATHAN C AT LEVIATHAN MINE CA1030878650 cfsp10 · below normal
- 4L C NR MARKLEEVILLE CA1030878890 cfsp10 · below normal
- LEVIATHAN MINE ADIT DRAIN NR MARKLEEVILLE CA103087840 cfsp25 · normal
- E FK CARSON RV NR GARDNERVILLE, NV1030900060 cfsp29 · normal
- W FK CARSON RV AT WOODFORDS, CA1031000015 cfsp30 · normal
- CARSON RV NR CARSON CITY, NV1031100010 cfsp30 · normal
- ASH CYN CK NR CARSON CITY, NV103112001 cfsp32 · normal
- E FK CARSON RV BLW MARKLEEVILLE CK NR MARKLEEVILLE1030820048 cfsp32 · normal
- CLEAR CK NR CARSON CITY, NV103105001 cfsp34 · normal
- CARSON RV AT DEER RUN RD NR CARSON CITY, NV103114008 cfsp38 · normal
- EAGLE VALLEY CK AT CARSON CITY, NV103113000 cfsp44 · normal
- E FK CARSON RV NR DRESSLERVILLE, NV1030901056 cfsp44 · normal
- BRYANT C BL MOUNTAINEER C NR MARKLEEVILLE CA103087941 cfsp57 · normal
- LEVIATHAN C AB ASPEN C NR MARKLEEVILLE CA103087890 cfsp60 · normal
- ASPEN C ABV LEVIATHAN MINE NR MARKLEEVILLE CA1030878910 cfsp64 · normal
- LEVIATHAN C AB MOUNTAINEER C NR MARKLEEVILLE CA103087920 cfsp70 · normal
- KINGS CYN CK NR CARSON CITY, NV103111001 cfsp76 · above normal
- ASPEN C AB LEVIATHAN C NR MARKLEEVILLE CA1030878980 cfsno long-term record
- INDIAN CK ABV MOUTH NR GARDNERVILLE,NV103090350 cfsno long-term record
- PINE NUT CK NR GARDNERVILLE, NV103090501 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 122 | 0 | 6/21 | p32 |
Top water assets
- 69East Fork Carson Riverriver
- 69Bryant Creekriver
- 69Indian Creekriver
- 69Fredericksburg Ditchriver
- 69E Fk Carson Rv Blw Markleeville Ck Nr Markleevilleriver
- 69E Fk Carson Rv Nr Gardnerville, Nvriver
- 69Bryant C Bl Mountaineer C Nr Markleeville Cariver
- 69Indian Creekriver
- 69W Fk Carson Rv At Woodfords, Cariver
- 69East Fork Carson Riverriver