Flint-Rock HUC8 17010202
A 4,713 km² sub-basin of the Pacific Northwest region in 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
81
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
13%
of 8 reporting
Median flow
97%
p44 of record
Water assets
947
11 springs · 338 wells
USGS gauges (8)
- Flint Creek at Maxville MT1232950063 cfsp24 · below normal
- Flint Creek near Southern Cross MT1232550011 cfsp25 · normal
- Clark Fork near Drummond MT12331800539 cfsp33 · normal
- Flint Creek near Drummond MT12331500136 cfsp38 · normal
- Clark Fork at Turah Bridge nr Bonner MT12334550855 cfsp50 · normal
- Rock Creek near Clinton MT12334510270 cfsp68 · normal
- Boulder Creek at Maxville MT1233000029 cfsp76 · above normal
- Middle Fork Rock Cr nr Philipsburg MT1233200058 cfsp77 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 0 | 0 | 1/8 | p44 |
| 2026-10-18 | 0 | 0 | 2/8 | p47 |
| 2026-10-17 | 0 | 0 | 2/8 | p47 |
| 2026-10-16 | 0 | 0 | 1/8 | p57 |
| 2026-10-15 | 0 | 0 | 0/8 | p63 |
| 2026-10-14 | 0 | 0 | 0/8 | p65 |
| 2026-10-13 | 0 | 0 | 0/8 | p65 |
| 2026-10-12 | 0 | 0 | 0/8 | p66 |
| 2026-10-11 | 0 | 0 | 0/8 | p57 |
| 2026-10-10 | 0 | 0 | 0/8 | p51 |
| 2026-10-09 | 0 | 0 | 0/8 | p47 |
| 2026-10-08 | 15 | 0 | 0/8 | p44 |
| 2026-10-07 | 15 | 0 | 1/8 | p42 |
| 2026-10-06 | 15 | 0 | 0/8 | p43 |
Top water assets
- 69Middle Fork Rock Creekriver
- 69Ross Forkriver
- 69Dry Creekriver
- 69Harvey Creekriver
- 69East Fork Rock Creekriver
- 69Douglas Creekriver
- 69Middle Fork Rock Cr Nr Philipsburg Mtriver
- 69Upper Willow Creekriver
- 69Flint Creek Near Southern Cross Mtriver
- 69Flint Creekriver