Shasta HUC8 18010207
A 2,057 km² sub-basin of the California region in CA. 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
61
Moderate
Drought index
200
Severe
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
50%
of 2 reporting
Median flow
90%
p28 of record
Water assets
669
30 springs · 217 wells
USGS gauges (3)
- SHASTA R NR YREKA CA11517500126 cfsp24 · below normal
- SHASTA R NR MONTAGUE CA11517000121 cfsp33 · normal
- SHASTA R A E LOUIE RD BR NR LK SHASTINA CA1151687077 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 200 | 0 | 1/2 | p28 |
| 2026-10-18 | 200 | 0 | 1/2 | p31 |
| 2026-10-17 | 200 | 0 | 0/2 | p28 |
| 2026-10-16 | 200 | 0 | 1/2 | p23 |
| 2026-10-15 | 200 | 0 | 1/2 | p29 |
| 2026-10-14 | 200 | 0 | 0/2 | p32 |
| 2026-10-13 | 200 | 0 | 0/2 | p36 |
| 2026-10-12 | 200 | 0 | 0/2 | p36 |
| 2026-10-11 | 200 | 0 | 0/2 | p35 |
| 2026-10-10 | 200 | 0 | 0/2 | p34 |
| 2026-10-09 | 200 | 0 | 0/2 | p39 |
| 2026-10-08 | 200 | 0 | 0/2 | p33 |
| 2026-10-07 | 200 | 0 | 0/2 | p35 |
| 2026-10-06 | 200 | 0 | 0/2 | p42 |
Top water assets
- 69Bear Wallow Creekriver
- 69Dale Creekriver
- 69Dale Creekriver
- 69Dale Creekriver
- 69Parks Creekriver
- 69Bear Wallow Creekriver
- 69Dale Creekriver
- 69Bear Wallow Creekriver
- 69Little Shasta Riverriver
- 69Parks Creekriver