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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
59
Moderate
Drought index
323
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
105%
p58 of record
Water assets
1,414
563 springs · 489 wells
USGS gauges (1)
- TROUT CREEK NEAR CALLAO, UT101728702 cfsp58 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 323 | 100 | 0/1 | p58 |
| 2026-10-18 | 323 | 100 | 0/1 | p69 |
| 2026-10-17 | 323 | 100 | 0/1 | p69 |
| 2026-10-16 | 323 | 100 | 0/1 | p77 |
| 2026-10-15 | 323 | 100 | 0/1 | p80 |
| 2026-10-14 | 323 | 100 | 0/1 | p83 |
| 2026-10-13 | 323 | 100 | 0/1 | p90 |
| 2026-10-12 | 323 | 100 | 0/1 | p93 |
| 2026-10-11 | 323 | 100 | 1/1 | p7 |
| 2026-10-10 | 323 | 100 | 1/1 | p7 |
| 2026-10-09 | 323 | 100 | 1/1 | p7 |
| 2026-10-08 | 326 | 100 | 1/1 | p7 |
| 2026-10-07 | 326 | 100 | 1/1 | p7 |
| 2026-10-06 | 326 | 100 | 1/1 | p7 |
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