Miscellaneous River Product
Issued by NWS Portland, OR

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796
SRUS46 KPQR 312230
RVMPQR

Hydrologic Statement
National Weather Service Portland OR
330 PM PDT Thu Jul 31 2025

WAZ040-31330-
330 PM PDT Thu Jul 31 2025

Current status of reservoirs on the Lewis River, updated 330 PM
Thu, Jul 31 2025.

RESERVOIR        CURRENT POOL ELEV      FULL POOL
Swift Reservoir         973              1000 FT
Yale Lake               476               490 FT
Lake Merwin             234               240 FT

As of 330 PM PDT, Thu Jul 31, 2025, the remaining aggregate
storage for refill at Merwin, Yale, and Swift reservoirs is
47 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

$$