Sacramento-Stone Corral HUC8 18020104
A 4,880 km² sub-basin of the California region in CA. 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
74
Moderate
Drought index
100
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
97%
p45 of record
Water assets
1,079
2 springs · 927 wells
USGS gauges (2)
- SACRAMENTO R A COLUSA CA113895006,860 cfsp44 · normal
- SACRAMENTO R BL WILKINS SLOUGH NR GRIMES CA113905006,760 cfsp46 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 100 | 0 | 0/2 | p45 |
Top water assets
- 66Funks Damreservoir
- 65Minton Creekriver
- 65Cache C A Yolo Cariver
- 65Mushoak Creekriver
- 65Cortina Creekriver
- 65North Fork Walker Creekriver
- 65Sacramento R Bl Wilkins Slough Nr Grimes Cariver
- 65Tehama-Colusa Canalriver
- 65Sacramento R A Colusa Cariver
- 65South Fork Willow Creekriver