Miscellaneous River Product
Issued by NWS Portland, OR

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227
SRUS46 KPQR 182330
RVMPQR

Hydrologic Statement
National Weather Service Portland OR
330 PM PST Tue Nov 18 2025

WAZ040-18330-
330 PM PST Tue Nov 18 2025

Current status of reservoirs on the Lewis River, updated 330 PM
Tue, Nov 18 2025.

RESERVOIR        CURRENT POOL ELEV      FULL POOL
Swift Reservoir         971              1000 FT
Yale Lake               471               490 FT
Lake Merwin             231               240 FT

As of 330 PM PST, Tue Nov 18, 2025, the remaining aggregate
storage for refill at Merwin, Yale, and Swift reservoirs is
57 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

$$