Sandy River near Bull Run - National Oceanic and Atmospheric Administration Reliability of the Forecast: NOTE: Forecasts are issued routinely year-round 21 5 - expect significant bank erosion, large amounts of debris in the river, and flooding of low areas along the river, especially in the lower reach of the Sandy near Troutdale
(SNDO3) SANDY − SANDY Station Summary - National Oceanic and . . . State: Oregon County: Clackamas Latitude: 45 26' 57" North Longitude: 122 14' 37" West Elevation: 240 ft Supporting NWS Forecast Office: WFO Portland Click for NWS Official River Forecasts for SNDO3 Action Stage: 18 ft Flood Stage: 19 3 ft Moderate Flood Stage: 20 5 ft Major Flood Stage: 21 5 ft
Near Real Time Hydrographics Data Access near real-time hydrographic data for Oregon's water resources, including streamflow and gaging station information, updated hourly
USGS WaterWatch -- Streamflow conditions Most recent flow and stage for Oregon (Stations highlighted in red are currently above flood stage) USGS station ID USGS station name NWS flood stage (ft) Most recent stage (ft) Most recent flow (cfs) Historical SANDY RIVER NEAR MARMOT, OR : 690 79: 554: 61,400: 2025-06-21 01:15:00: SRMO3: 14138560: BULL RUN LAKE NEAR BRIGHTWOOD, OR : 3171
Near Real Time Hydrographics Data Access near real-time hydrographics data for monitoring water resources and streamflow conditions in Oregon
(SRMO3) SANDY − NEAR MARMOT Station Summary State: Oregon County: Clackamas Latitude: 45 23' 30" North Longitude: 122 7' 40" West Elevation: 730 ft Supporting NWS Forecast Office: WFO Portland Click for NWS Official River Forecasts for SRMO3