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 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
77
Healthy
Drought index
63
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 8 reporting
Median flow
155%
p80 of record
Water assets
947
11 springs · 338 wells
USGS gauges (8)
- Flint Creek near Southern Cross MT1232550031 cfsp58 · normal
- Clark Fork near Drummond MT12331800459 cfsp70 · normal
- Clark Fork at Turah Bridge nr Bonner MT12334550887 cfsp77 · above normal
- Flint Creek at Maxville MT12329500140 cfsp80 · above normal
- Middle Fork Rock Cr nr Philipsburg MT1233200077 cfsp80 · above normal
- Boulder Creek at Maxville MT1233000028 cfsp82 · above normal
- Rock Creek near Clinton MT12334510467 cfsp85 · above normal
- Flint Creek near Drummond MT12331500173 cfsp89 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 63 | 0 | 0/8 | p80 |
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