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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
75
Healthy
Drought index
78
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
157%
p64 of record
Water assets
1,461
4 springs · 1,253 wells
USGS gauges (2)
- SF TULE R NR RESERVATION BNDRY NR PORTERVILLE CA112041008 cfsp64 · normal
- SF TULE R NR CHOLOLLO CAMPGROUND NR PORTERVILLE CA112035805 cfsp65 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 78 | 0 | 0/2 | p64 |
| 2026-10-19 | 78 | 0 | 0/2 | p66 |
| 2026-10-18 | 78 | 0 | 0/2 | p68 |
| 2026-10-17 | 78 | 0 | 0/2 | p72 |
| 2026-10-16 | 78 | 0 | 0/2 | p72 |
| 2026-10-15 | 78 | 0 | 0/2 | p68 |
| 2026-10-14 | 78 | 0 | 0/2 | p69 |
| 2026-10-13 | 78 | 0 | 0/2 | p71 |
| 2026-10-12 | 78 | 0 | 0/2 | p63 |
| 2026-10-11 | 78 | 0 | 0/2 | p63 |
| 2026-10-10 | 78 | 0 | 0/2 | p62 |
| 2026-10-09 | 78 | 0 | 0/2 | p70 |
| 2026-10-08 | 78 | 0 | 0/2 | p71 |
| 2026-10-07 | 78 | 0 | 0/2 | p70 |
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