Upper Tule HUC8 18030006
A 2,446 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
72
Moderate
Drought index
66
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
240%
p79 of record
Water assets
1,461
4 springs · 1,253 wells
USGS gauges (2)
- SF TULE R NR RESERVATION BNDRY NR PORTERVILLE CA112041008 cfsp78 · above normal
- SF TULE R NR CHOLOLLO CAMPGROUND NR PORTERVILLE CA112035806 cfsp80 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 66 | 0 | 0/2 | p79 |
Top water assets
- 69North Fork Middle Fork Tule Riverriver
- 69South Fork Middle Fork Tule Riverriver
- 69Cedar Creekriver
- 69North Fork Middle Fork Tule Riverriver
- 69South Fork Middle Fork Tule Riverriver
- 69North Fork Middle Fork Tule Riverriver
- 69South Fork Middle Fork Tule Riverriver
- 69South Alder Creekriver
- 69South Fork Middle Fork Tule Riverriver
- 69South Fork Middle Fork Tule Riverriver