Major Flood
11 ft
Current Water Level
Gage Height
Loading...
Streamflow
Loading...
Last Reading
Loading...
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
10 ft
Minor Flood
9 ft
Action Stage
8 ft
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.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
Loading chart data...
Historic Crests
| Date | Stage | 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 |
About This Gauge
USGS Site
NWS LID
WMSO3
River
Williamson River
County
Klamath, OR
Coordinates
42.5644°N, 121.8797°W
Get Flood Alerts for Williamson River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Williamson River below Chiloquin?
The Williamson River below Chiloquin gauge is maintained by USGS (site 11502500) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Williamson River below Chiloquin?
The NWS-defined flood stage for Williamson River below Chiloquin is 9 feet. Action stage begins at 8 feet. Moderate flooding starts at 10 feet, and major flooding at 11 feet.
How do I get alerts when Williamson River rises?
Download StormCast free on Google Play, go to River Gauges, and add Williamson River below Chiloquin to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Williamson River below Chiloquin gauge located?
The gauge is located in Klamath County, Oregon at coordinates 42.5644°N, 121.8797°W. USGS site number: 11502500. Data is provided by the U.S. Geological Survey and the National Weather Service.
On This River
Upstream: Williamson River near Klamath Agency
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey