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
418
SRUS46 KPQR 150230
RVMPQR

Hydrologic Statement
National Weather Service Portland OR
730 PM PDT Tue Jul 14 2026

WAZ040-14730-
730 PM PDT Tue Jul 14 2026

Current status of reservoirs on the Lewis River, updated 730 PM
Tue, Jul 14 2026.

RESERVOIR        CURRENT POOL ELEV      FULL POOL
Swift Reservoir         973              1000 FT
Yale Lake               478               490 FT
Lake Merwin             236               240 FT

As of 730 PM PDT, Tue Jul 14, 2026, the remaining aggregate
storage for refill at Merwin, Yale, and Swift reservoirs is
43 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

$$