San Jacinto HUC8 18070202
A 1,979 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
67
Moderate
Drought index
21
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
50%
of 6 reporting
Median flow
—
p42 of record
Water assets
546
11 springs · 458 wells
USGS gauges (7)
- SAN JACINTO R A RAMONA EXPRESSWAY NR LAKEVIEW CA110702100 cfsp10 · below normal
- PERRIS VALLEY STORM DR A NUEVO RD NR PERRIS CA110702700 cfsp10 · below normal
- SALT C A MURRIETA RD NR SUN CITY CA110704650 cfsp10 · below normal
- SAN JACINTO R NR ELSINORE CA110705000 cfsp74 · normal
- SAN JACINTO R NR SAN JACINTO110695000 cfsp83 · above normal
- SAN JACINTO R NR SUN CITY CA110703650 cfsp100 · much above normal
- SAN JACINTO R AB STATE STREET NR SAN JACINTO CA110701500 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 21 | 0 | 3/6 | p42 |
| 2026-10-19 | 21 | 0 | 3/6 | p42 |
| 2026-10-18 | 21 | 0 | 3/6 | p43 |
| 2026-10-17 | 21 | 0 | 2/6 | p77 |
| 2026-10-16 | 21 | 0 | 2/6 | p91 |
| 2026-10-15 | 21 | 0 | 1/6 | p98 |
| 2026-10-14 | 21 | 0 | 1/6 | p98 |
| 2026-10-13 | 21 | 0 | 1/6 | p98 |
| 2026-10-12 | 21 | 0 | 1/6 | p100 |
| 2026-10-11 | 21 | 0 | 4/6 | p10 |
| 2026-10-10 | 21 | 0 | 5/6 | p10 |
| 2026-10-09 | 21 | 0 | 5/6 | p10 |
| 2026-10-08 | 21 | 0 | 6/6 | p10 |
| 2026-10-07 | 21 | 0 | 5/6 | p10 |
Top water assets
- 69Strawberry Creekriver
- 69Herkey Creekriver
- 69Strawberry Creekriver
- 69Fuller Mill Creekriver
- 67Bautista Creekriver
- 67Bautista Creekriver
- 67Strawberry Creekriver
- 67Bautista Creekriver
- 67South Fork San Jacinto Riverriver
- 67South Fork San Jacinto Riverriver