RIVER GAUGE · PROSPECT CREEK
Prospect Creek at Thompson Falls
Sanders County, Montana
Water level0.58 ft
Flow47 cfs
Last readingSep 16, 2026, 5:15 PM UTC (last recorded)
Action6.5 ft
Minor flood7.5 ft
Moderate flood8 ft
Major flood9 ft
The past week
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What floods at each level
- 8.5 ft
A petroleum gas pipeline becomes exposed underneath the creek due to high flood flows.
- 8.19 ft
Homes along Prospect Creek become surrounded with water from Prospect Creek.
- 8.1 ft
Water begins flowing across Prospect Creek Road.
- 7.5 ft
Road washouts are possible along Prospect Creek Road.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jan 15, 1974 | 9.86 ft | 5,490 cfs |
| Feb 8, 1996 | 9.54 ft | 5,160 cfs |
| Mar 18, 2017 | 8.1 ft | 3,640 cfs |
Get an alert when Prospect Creek rises
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