Miscellaneous River Product
Issued by NWS Portland, OR

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734
SRUS46 KPQR 030430
RVMPQR

Hydrologic Statement
National Weather Service Portland OR
830 PM PST Mon Mar 2 2026

WAZ040-2830-
830 PM PST Mon Mar 2 2026

Current status of reservoirs on the Lewis River, updated 830 PM
Mon, Mar 2 2026.

RESERVOIR        CURRENT POOL ELEV      FULL POOL
Swift Reservoir         987              1000 FT
Yale Lake               475               490 FT
Lake Merwin             230               240 FT

As of 830 PM PST, Mon Mar 2, 2026, the remaining aggregate
storage for refill at Merwin, Yale, and Swift reservoirs is
38 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

$$