549  
SRUS46 KPQR 131230  
RVMPQR  
 
HYDROLOGIC STATEMENT  
NATIONAL WEATHER SERVICE PORTLAND OR  
530 AM PDT TUE APR 13 2021  
 
WAZ040-13530-  
530 AM PDT TUE APR 13 2021  
 
CURRENT STATUS OF RESERVOIRS ON THE LEWIS RIVER, UPDATED 530 AM  
TUE, APR 13 2021.  
 
RESERVOIR CURRENT POOL ELEV FULL POOL  
SWIFT RESERVOIR 978 1000 FT  
YALE LAKE 478 490 FT  
LAKE MERWIN 233 240 FT  
 
AS OF 530 AM PDT, TUE APR 13, 2021, THE REMAINING AGGREGATE  
STORAGE FOR REFILL AT MERWIN, YALE, AND SWIFT RESERVOIRS IS  
41 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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