Miscellaneous River Product
Issued by NWS Portland, OR
Issued by NWS Portland, OR
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251 SRUS46 KPQR 181630 RVMPQR Hydrologic Statement National Weather Service Portland OR 930 AM PDT Tue Aug 18 2026 WAZ040-18930- 930 AM PDT Tue Aug 18 2026 Current status of reservoirs on the Lewis River, updated 930 AM Tue, Aug 18 2026. RESERVOIR CURRENT POOL ELEV FULL POOL Swift Reservoir 970 1000 FT Yale Lake 473 490 FT Lake Merwin 234 240 FT As of 930 AM PDT, Tue Aug 18, 2026, the remaining aggregate storage for refill at Merwin, Yale, and Swift reservoirs is 53 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 $$