974   
SRUS46 KPQR 201730  
RVMPQR  
  
HYDROLOGIC STATEMENT   
NATIONAL WEATHER SERVICE PORTLAND OR  
1030 AM PDT WED AUG 20 2025  
  
WAZ040-201030-  
1030 AM PDT WED AUG 20 2025  
  
CURRENT STATUS OF RESERVOIRS ON THE LEWIS RIVER, UPDATED 1030 AM  
WED, AUG 20 2025.  
  
RESERVOIR        CURRENT POOL ELEV      FULL POOL  
SWIFT RESERVOIR         973              1000 FT  
YALE LAKE               472               490 FT  
LAKE MERWIN             234               240 FT  
  
AS OF 1030 AM PDT, WED AUG 20, 2025, THE REMAINING AGGREGATE  
STORAGE FOR REFILL AT MERWIN, YALE, AND SWIFT RESERVOIRS IS  
51 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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