RIVER GAUGE · WILLIAMSON RIVER
Williamson River below Chiloquin
Klamath County, Oregon
Water level3.43 ft
Flow529 cfs
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action8 ft5,700 cfs
Minor flood9 ft7,520 cfs
Moderate flood10 ft9,320 cfs
Major flood11 ft11,140 cfs
The past week
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What floods at each level
- 10 ft
Widespread flooding is occurring along the Williamson River from the Highway 97 bridge downstream to Upper Klamath Lake. Widespread farm land flooding is occurring. Numerous structures are flooded.
- 9 ft
The Williamson River is at flood stage. Water exceeds the channel of the river and begins to impact structures along the river and in low-lying areas near the river.
- 8 ft
The Williamson River is near bankfull stage. Water is nearing many structures along and enar the river. Water is close to structures at the Water Wheel Campground near Highway 97.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Dec 25, 1964 | 10.56 ft | 16,100 cfs |
| Jan 5, 1997 | 10.27 ft | 17,100 cfs |
| Feb 11, 1996 | 8.61 ft | 6,800 cfs |
More on Williamson River
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