San Luis Rey-Escondido HUC8 18070303
A 2,152 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
56
Moderate
Drought index
70
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
—
p10 of record
Water assets
2,594
40 springs · 2,383 wells
USGS gauges (1)
- SAN LUIS REY R A OCEANSIDE CA110420000 cfsp10 · below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 70 | 0 | 1/1 | p10 |
Top water assets
- 67Agua Caliente Creekriver
- 67San Ysidro Creekriver
- 67San Ysidro Creekriver
- 67San Luis Rey Riverriver
- 67Buena Vista Creekriver
- 67West Fork San Luis Rey Riverriver
- 67San Luis Rey Riverriver
- 67West Fork San Luis Rey Riverriver
- 67Buena Vista Creekriver
- 67San Luis Rey Riverriver