Santa Clara HUC8 18070102
A 4,211 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
79
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 6 reporting
Median flow
467%
p86 of record
Water assets
549
10 springs · 265 wells
USGS gauges (6)
- PIRU CREEK BELOW SANTA FELICIA DAM CA11109800151 cfsp64 · normal
- SANTA PAULA C NR SANTA PAULA111135004 cfsp77 · above normal
- SESPE CREEK NEAR WHEELER SPRINGS CA111115001 cfsp84 · above normal
- SANTA CLARA R NR PIRU CA1110900066 cfsp89 · above normal
- SESPE C NR FILLMORE111130009 cfsp89 · above normal
- PIRU CREEK ABOVE LAKE PIRU CA1110960050 cfsp92 · much above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 0 | 0 | 0/6 | p86 |
Top water assets
- 69North Fork Lockwood Creekriver
- 69San Guillermo Creekriver
- 69Dry Creekriver
- 69Piedra Blanca Creekriver
- 69Middle Fork Lockwood Creekriver
- 69Middle Fork Lockwood Creekriver
- 69Alamo Creekriver
- 69North Fork Lockwood Creekriver
- 69Middle Fork Lockwood Creekriver
- 69San Guillermo Creekriver