SRUS46 KPQR 231930
RVMPQR

Hydrologic Statement 
National Weather Service Portland OR
1230 PM PDT Sun Aug 23 2026

WAZ040-231230-
1230 PM PDT Sun Aug 23 2026

Current status of reservoirs on the Lewis River, updated 1230 PM
Sun, Aug 23 2026.

RESERVOIR        CURRENT POOL ELEV      FULL POOL
Swift Reservoir         967              1000 FT
Yale Lake               474               490 FT
Lake Merwin             235               240 FT

As of 1230 PM PDT, Sun Aug 23, 2026, the remaining aggregate
storage for refill at Merwin, Yale, and Swift reservoirs is
54 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

$$