SOUTH SANTIAM − AT WATERLOO (WTLO3)
   State:  Oregon
   County:  Linn
   Latitude:  44 29' 54" North
   Longitude:  122 49' 19" West
   Elevation:  370 ft

   Supporting NWS Forecast Office: WFO Portland

   
Click for NWS Official River Forecasts for WTLO3

   Action Stage:  
10.2 ft
   Flood Stage:  
12 ft
   Major Flood Stage:  
16 ft
Daily Historical Statistics for July 19, 2024
Mean Stage: 2.65 ft  Mean Flow: 645 cfs
Max Stage: 3.44 ft  Max Flow: 1490 cfs (2010)
Min Stage:  1.84 ft   Min Flow: 135 cfs (1926)

Statistics based on water years: 1906-2023
* statistics estimated based on current rating

Record Stage: 
24.5 ft
Record Flow: 
95200 cfs
Date of Record: 
December 22, 1964

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

Hydrograph plot for WTLO3


For Data Used In Plot   "label


Hydrograph plot for WTLO3


For Data Used In Plot   "label