SRUS46 KPQR 120030

RVMPQR



Hydrologic Statement 

National Weather Service Portland OR

430 PM PST Thu Dec 11 2025



WAZ040-11430-

430 PM PST Thu Dec 11 2025



Current status of reservoirs on the Lewis River, updated 430 PM

Thu, Dec 11 2025.



RESERVOIR        CURRENT POOL ELEV      FULL POOL

Swift Reservoir         978              1000 FT

Yale Lake               475               490 FT

Lake Merwin             224               240 FT



As of 430 PM PST, Thu Dec 11, 2025, the remaining aggregate

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

53 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



$$