SRUS46 KPQR 110530

RVMPQR



Hydrologic Statement 

National Weather Service Portland OR

930 PM PST Wed Dec 10 2025



WAZ040-10930-

930 PM PST Wed Dec 10 2025



Current status of reservoirs on the Lewis River, updated 930 PM

Wed, Dec 10 2025.



RESERVOIR        CURRENT POOL ELEV      FULL POOL

Swift Reservoir         975              1000 FT

Yale Lake               476               490 FT

Lake Merwin             225               240 FT



As of 930 PM PST, Wed Dec 10, 2025, the remaining aggregate

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

54 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



$$