Lochsa HUC8 17060303
A 3,060 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
64
Moderate
Drought index
32
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
69%
p15 of record
Water assets
322
21 springs · 0 wells
USGS gauges (1)
- LOCHSA RIVER NR LOWELL ID13337000359 cfsp15 · below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 32 | 0 | 1/1 | p15 |
| 2026-10-18 | 32 | 0 | 1/1 | p15 |
| 2026-10-17 | 32 | 0 | 1/1 | p15 |
| 2026-10-16 | 32 | 0 | 1/1 | p19 |
| 2026-10-15 | 32 | 0 | 1/1 | p21 |
| 2026-10-14 | 32 | 0 | 1/1 | p22 |
| 2026-10-13 | 32 | 0 | 1/1 | p25 |
| 2026-10-12 | 32 | 0 | 0/1 | p26 |
| 2026-10-11 | 32 | 0 | 1/1 | p25 |
| 2026-10-10 | 32 | 0 | 1/1 | p23 |
| 2026-10-09 | 32 | 0 | 1/1 | p21 |
| 2026-10-08 | 32 | 0 | 1/1 | p23 |
| 2026-10-07 | 32 | 0 | 0/1 | p26 |
| 2026-10-06 | 32 | 0 | 0/1 | p26 |
Top water assets
- 69Bridge Creekriver
- 69Gold Meadows Creekriver
- 69Big Sand Creekriver
- 69Colt Creekriver
- 69Hidden Creekriver
- 69Big Sand Creekriver
- 69Crooked Forkriver
- 69Bridge Creekriver
- 69Big Sand Creekriver
- 69Warm Springs Creekriver