Monterey Bay HUC8 18060015
A 1,961 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
73
Moderate
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
25%
of 4 reporting
Median flow
132%
p62 of record
Water assets
593
8 springs · 524 wells
USGS gauges (5)
- RECLAMATION DITCH NR SALINAS CA111526500 cfsp5 · much below normal
- SAN LORENZO R A BIG TREES CA1116050018 cfsp58 · normal
- SOQUEL C A SOQUEL CA111600003 cfsp65 · normal
- SAN LORENZO R A SANTA CRUZ CA1116100016 cfsp73 · normal
- APTOS C NR APTOS CA11159690no readingno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 0 | 0 | 1/4 | p62 |
Top water assets
- 65Kings Creekriver
- 65Branciforte Creekriver
- 65Tembladero Sloughriver
- 65San Lorenzo R A Santa Cruz Cariver
- 65Aptos C Nr Aptos Cariver
- 65Deer Creekriver
- 65San Lorenzo R A Big Trees Cariver
- 65C & N Pump & Well Co Well — Wcr0001753well
- 65Soquel C A Soquel Cariver
- 65San Lorenzo Riverriver