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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
68
Moderate
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
50%
of 4 reporting
Median flow
105%
p32 of record
Water assets
618
19 springs · 454 wells
USGS gauges (5)
- LOPEZ C NR ARROYO GRANDE CA111412801 cfsp8 · much below normal
- CARMEL R NR CARMEL CA111432500 cfsp10 · below normal
- BIG SUR R NR BIG SUR CA1114300017 cfsp53 · normal
- CARMEL R A ROBLES DEL RIO CA111432007 cfsp78 · above normal
- SAN LUIS OBISPO C A AVILA BEACH CA11142010no readingno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 0 | 0 | 2/4 | p32 |
| 2026-10-20 | 0 | 0 | 2/4 | p34 |
| 2026-10-19 | 0 | 0 | 2/4 | p34 |
| 2026-10-18 | 0 | 0 | 2/4 | p33 |
| 2026-10-17 | 0 | 0 | 2/4 | p31 |
| 2026-10-16 | 0 | 0 | 2/4 | p32 |
| 2026-10-15 | 0 | 0 | 2/4 | p34 |
| 2026-10-14 | 0 | 0 | 2/4 | p36 |
| 2026-10-13 | 0 | 0 | 2/4 | p36 |
| 2026-10-12 | 0 | 0 | 2/4 | p33 |
| 2026-10-11 | 0 | 0 | 2/4 | p35 |
| 2026-10-10 | 0 | 0 | 2/4 | p37 |
| 2026-10-09 | 0 | 0 | 1/4 | p50 |
| 2026-10-08 | 0 | 0 | 1/4 | p47 |
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