Lower Sevier HUC8 16030005
A 10,622 km² sub-basin of the Great Basin region in 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
26
Critical
Drought index
385
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
100%
of 2 reporting
Median flow
21%
p5 of record
Water assets
4,113
617 springs · 1,913 wells
USGS gauges (2)
- SEVIER RIVER NEAR JUAB, UT102190000 cfsp2 · much below normal
- SEVIER RIVER NEAR LYNNDYL, UT1022400020 cfsp8 · much below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-18 | 385 | 100 | 2/2 | p5 |
| 2026-10-17 | 385 | 100 | 2/2 | p5 |
| 2026-10-16 | 385 | 100 | 2/2 | p5 |
| 2026-10-15 | 385 | 100 | 2/2 | p5 |
| 2026-10-14 | 385 | 100 | 2/2 | p7 |
| 2026-10-13 | 385 | 100 | 1/2 | p19 |
| 2026-10-12 | 385 | 100 | 2/2 | p10 |
| 2026-10-11 | 385 | 100 | 2/2 | p5 |
| 2026-10-10 | 385 | 100 | 2/2 | p4 |
| 2026-10-09 | 385 | 100 | 2/2 | p4 |
| 2026-10-08 | 400 | 100 | 2/2 | p5 |
| 2026-10-07 | 400 | 100 | 2/2 | p5 |
| 2026-10-06 | 400 | 100 | 2/2 | p6 |
| 2026-10-05 | 400 | 100 | 2/2 | p6 |
Top water assets
- 74Underground Water (Wells) — Iswell
- 74Underground Water Well — Iswell
- 74Underground Water Wells — Xwell
- 74Underground Water Wells — Mwell
- 74Chicken Creek Pigeon Creek — Isriver
- 74Five Underground Water Wells — Owell
- 74Five Underground Water Wells — Owell
- 74Sevier River —river
- 74Sevier River Lower Molen Spring — Iosspring
- 71Underground Well — Diswell