Miscellaneous River Product
Issued by NWS Portland, OR

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
937
SRUS46 KPQR 181630
RVMPQR

Hydrologic Statement
National Weather Service Portland OR
830 AM PST Tue Nov 18 2025

WAZ040-18830-
830 AM PST Tue Nov 18 2025

Current status of reservoirs on the Lewis River, updated 830 AM
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 830 AM 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

$$