Central Coastal HUC8 18060006
A 4,984 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
75
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
25%
of 4 reporting
Median flow
120%
p55 of record
Water assets
618
19 springs · 454 wells
USGS gauges (4)
- CARMEL R NR CARMEL CA111432500 cfsp10 · below normal
- LOPEZ C NR ARROYO GRANDE CA111412802 cfsp49 · normal
- BIG SUR R NR BIG SUR CA1114300017 cfsp62 · normal
- CARMEL R A ROBLES DEL RIO CA111432007 cfsp76 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 0 | 0 | 1/4 | p55 |
Top water assets
- 67Miller Fork Carmel Riverriver
- 67Carmel Riverriver
- 65Finch Creekriver
- 65Las Gazas Creekriver
- 65Rana Creekriver
- 65Carmel R A Robles Del Rio Cariver
- 65Carmel R Nr Carmel Cariver
- 65Big Sur R Nr Big Sur Cariver
- 65Lopez C Nr Arroyo Grande Cariver
- 65Toro Creekriver