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
393
SRUS46 KPQR 011730
RVMPQR

Hydrologic Statement
National Weather Service Portland OR
1030 AM PDT Fri Aug 1 2025

WAZ040-11030-
1030 AM PDT Fri Aug 1 2025

Current status of reservoirs on the Lewis River, updated 1030 AM
Fri, Aug 1 2025.

RESERVOIR        CURRENT POOL ELEV      FULL POOL
Swift Reservoir         973              1000 FT
Yale Lake               476               490 FT
Lake Merwin             235               240 FT

As of 1030 AM PDT, Fri Aug 1, 2025, the remaining aggregate
storage for refill at Merwin, Yale, and Swift reservoirs is
46 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

$$