Lower Selway HUC8 17060302
A 2,659 km² sub-basin of the Pacific Northwest region in ID, MT. 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
66
Moderate
Drought index
21
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
73%
p18 of record
Water assets
259
8 springs · 0 wells
USGS gauges (1)
- SELWAY RIVER NR LOWELL ID13336500525 cfsp18 · below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-18 | 21 | 0 | 1/1 | p18 |
| 2026-10-17 | 21 | 0 | 1/1 | p19 |
| 2026-10-16 | 21 | 0 | 1/1 | p21 |
| 2026-10-15 | 21 | 0 | 0/1 | p26 |
| 2026-10-14 | 21 | 0 | 0/1 | p26 |
| 2026-10-13 | 21 | 0 | 0/1 | p31 |
| 2026-10-12 | 21 | 0 | 0/1 | p33 |
| 2026-10-11 | 21 | 0 | 0/1 | p28 |
| 2026-10-10 | 21 | 0 | 1/1 | p21 |
| 2026-10-09 | 21 | 0 | 1/1 | p22 |
| 2026-10-08 | 21 | 0 | 1/1 | p20 |
| 2026-10-07 | 21 | 0 | 1/1 | p22 |
| 2026-10-06 | 21 | 0 | 1/1 | p23 |
| 2026-10-05 | 21 | 0 | 1/1 | p25 |
Top water assets
- 69Meadow Creekriver
- 69Little Boulder Creekriver
- 69Cedar Creekriver
- 69Buck Lake Creekriver
- 69Meadow Creekriver
- 69Three Prong Creekriver
- 69Cedar Creekriver
- 69East Fork Meadow Creekriver
- 69Meadow Creekriver
- 69Schwar Creekriver