Miscellaneous River Product
Issued by NWS Portland, OR

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301
SRUS46 KPQR 062330
RVMPQR

Hydrologic Statement
National Weather Service Portland OR
430 PM PDT Sun Sep 6 2026

WAZ040-6430-
430 PM PDT Sun Sep 6 2026

Current status of reservoirs on the Lewis River, updated 430 PM
Sun, Sep 6 2026.

RESERVOIR        CURRENT POOL ELEV      FULL POOL
Swift Reservoir         966              1000 FT
Yale Lake               474               490 FT
Lake Merwin             233               240 FT

As of 430 PM PDT, Sun Sep 6, 2026, 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

$$