Miscellaneous River Product
Issued by NWS Portland, OR
Issued by NWS Portland, OR
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346 SRUS46 KPQR 120230 RVMPQR Hydrologic Statement National Weather Service Portland OR 730 PM PDT Mon May 11 2026 WAZ040-11730- 730 PM PDT Mon May 11 2026 Current status of reservoirs on the Lewis River, updated 730 PM Mon, May 11 2026. RESERVOIR CURRENT POOL ELEV FULL POOL Swift Reservoir 998 1000 FT Yale Lake 478 490 FT Lake Merwin 235 240 FT As of 730 PM PDT, Mon May 11, 2026, the remaining aggregate storage for refill at Merwin, Yale, and Swift reservoirs is 19 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 $$