Southern Great Salt Lake Desert HUC8 16020306
A 14,177 km² sub-basin of the Great Basin region in NV, UT. 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
27
Critical
Drought index
357
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
56%
p10 of record
Water assets
1,414
563 springs · 489 wells
USGS gauges (1)
- TROUT CREEK NEAR CALLAO, UT101728701 cfsp10 · much below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 357 | 100 | 1/1 | p10 |
Top water assets
- 74Unnamed Spring Area — Ospring
- 74Toms Creek — Dosriver
- 74Red Cedar Creek — Osriver
- 74Trout Creek — Dosriver
- 71Granite Creek — Dosriver
- 69Government Creekriver
- 69Deep Creekriver
- 69Deep Creekriver
- 69Deep Creekriver
- 69Fifteenmile Creekriver