SF MCKENZIE − COUGAR DAM (CGRO3)
   State:  Oregon
   County:  Lane
   Latitude:  44 8' 9" North
   Longitude:  122 14' 49" West
   Elevation:  1262 ft

   Supporting NWS Forecast Office: WFO Portland
   Click for NWS Official River Forecasts for CGRO3
   
Daily Historical Statistics for October 25, 2026
Mean Stage: 2.16 ft  Mean Flow: 812 cfs
Max Stage: 3.23 ft  Max Flow: 1970 cfs (2018)
Min Stage:  1.04 ft   Min Flow: 189 cfs (2003)

Statistics based on water years: 1948-2025
* statistics estimated based on current rating

The 4-10 Day Trend Forecast is based on model guidance and uncertainty during this period is greater.

Hydrograph plot for CGRO3

Data Used In Plot   "label   United States Geological Survey   


Hydrograph plot for CGRO3

Data Used In Plot   "label   United States Geological Survey   


Hydrograph plot for CGRO3


For Data Used In Plot   "label


Hydrograph plot for CGRO3

Data Used In Plot   "label   USACE Observations   USACE Project   USACE Map