SRUS46 KPQR 051030

RVMPQR



Hydrologic Statement 

National Weather Service Portland OR

230 AM PST Thu Nov 5 2026



WAZ040-5230-

230 AM PST Thu Nov 5 2026



Current status of reservoirs on the Lewis River, updated 230 AM

Thu, Nov 5 2026.



RESERVOIR        CURRENT POOL ELEV      FULL POOL

Swift Reservoir         951              1000 FT

Yale Lake               472               490 FT

Lake Merwin             219               240 FT



As of 230 AM PST, Thu Nov 5, 2026, the remaining aggregate

storage for refill at Merwin, Yale, and Swift reservoirs is

88 feet.

 

This product is updated hourly on the NWS Portland webpage at:

www.wrh.noaa.gov/total_forecast/getprod.php?wfo=pqr&sid=PQR&pil=RVM

or 

http://go.usa.gov/x97zc

 

Additional hydrologic information can be viewed at:

water.weather.gov/ahps2/index.php?wfo=pqr



$$