606  
SRUS46 KPQR 210530  
RVMPQR  
 
HYDROLOGIC STATEMENT  
NATIONAL WEATHER SERVICE PORTLAND OR  
1030 PM PDT FRI APR 20 2018  
 
WAZ040-201030-  
1030 PM PDT FRI APR 20 2018  
 
CURRENT STATUS OF RESERVOIRS ON THE LEWIS RIVER, UPDATED 1030 PM  
FRI, APR 20 2018.  
 
RESERVOIR CURRENT POOL ELEV FULL POOL  
SWIFT RESERVOIR 997 1000 FT  
YALE LAKE 484 490 FT  
LAKE MERWIN 230 240 FT  
 
AS OF 1030 PM PDT, FRI APR 20, 2018, THE REMAINING AGGREGATE  
STORAGE FOR REFILL AT MERWIN, YALE, AND SWIFT RESERVOIRS IS  
19 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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