Miscellaneous River Product
Issued by NWS Portland, OR

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171
SRUS46 KPQR 041530
RVMPQR

Hydrologic Statement
National Weather Service Portland OR
830 AM PDT Fri Jul 4 2025

WAZ040-4830-
830 AM PDT Fri Jul 4 2025

Current status of reservoirs on the Lewis River, updated 830 AM
Fri, Jul 4 2025.

RESERVOIR        CURRENT POOL ELEV      FULL POOL
Swift Reservoir         977              1000 FT
Yale Lake               479               490 FT
Lake Merwin             238               240 FT

As of 830 AM PDT, Fri Jul 4, 2025, the remaining aggregate
storage for refill at Merwin, Yale, and Swift reservoirs is
36 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

$$