Upper Coon-Upper Auburn HUC8 18020161
A 1,124 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
69
Moderate
Drought index
100
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
136%
p78 of record
Water assets
343
0 springs · 287 wells
USGS gauges (1)
- SACRAMENTO R A VERONA CA1142550018,100 cfsp78 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 100 | 0 | 0/1 | p78 |
Top water assets
- 66Rock Creekreservoir
- 66Halsey Forebay No. 2reservoir
- 66Halsey Afterbayreservoir
- 65Wise Forebayreservoir
- 65Raccoon Creekriver
- 65Doty Creekriver
- 65Curry Creekriver
- 65Sacramento R A Verona Cariver
- 65Ingram Sloughriver
- 65Cross Canalriver