Boise-Mores HUC8 17050112
A 1,608 km² sub-basin of the Pacific Northwest region in ID. 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
50
Moderate
Drought index
164
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
100%
of 2 reporting
Median flow
70%
p14 of record
Water assets
228
26 springs · 36 wells
USGS gauges (2)
- MORES CREEK AB ROBIE CREEK NR ARROWROCK DAM ID1320000029 cfsp10 · much below normal
- BOISE RIVER NR TWIN SPRINGS ID13185000304 cfsp19 · below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 164 | 0 | 2/2 | p14 |
| 2026-10-18 | 164 | 0 | 2/2 | p15 |
| 2026-10-17 | 164 | 0 | 2/2 | p16 |
| 2026-10-16 | 164 | 0 | 2/2 | p17 |
| 2026-10-15 | 164 | 0 | 2/2 | p20 |
| 2026-10-14 | 164 | 0 | 1/2 | p23 |
| 2026-10-13 | 164 | 0 | 1/2 | p23 |
| 2026-10-12 | 164 | 0 | 1/2 | p20 |
| 2026-10-11 | 164 | 0 | 2/2 | p13 |
| 2026-10-10 | 164 | 0 | 2/2 | p13 |
| 2026-10-09 | 164 | 0 | 2/2 | p13 |
| 2026-10-08 | 164 | 0 | 2/2 | p13 |
| 2026-10-07 | 164 | 0 | 2/2 | p13 |
| 2026-10-06 | 164 | 0 | 2/2 | p14 |
Top water assets
- 69Clear Creekriver
- 69Grimes Creekriver
- 69Elk Creekriver
- 69Grimes Creekriver
- 69Sheep Creekriver
- 69Sheep Creekriver
- 69Devils Creekriver
- 69Grimes Creekriver
- 69East Fork Sheep Creekriver
- 69Sheep Creekriver