SRUS46 KPQR 121830

RVMPQR



Hydrologic Statement 

National Weather Service Portland OR

1030 AM PST Fri Dec 12 2025



WAZ040-121030-

1030 AM PST Fri Dec 12 2025



Current status of reservoirs on the Lewis River, updated 1030 AM

Fri, Dec 12 2025.



RESERVOIR        CURRENT POOL ELEV      FULL POOL

Swift Reservoir         980              1000 FT

Yale Lake               474               490 FT

Lake Merwin             224               240 FT



As of 1030 AM PST, Fri Dec 12, 2025, the remaining aggregate

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

52 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



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