Station ID: 14211820   View: Map  - Driving Directions  - Station Info  - Historical Stats  - Rating Curve (USGS)
Name: COLUMBIA SL AT PORTLAND, OR
Operator: USGS Status: Near Real Time Drainage Area:
Latitude: 45° 38′ 19.42″ Longitude: -122° 45′ 51.352″   Datum: NAD83
Period of Operation: 10/14/1988 ~ Present
Most Recent Values:
Mean Daily Flow: 22.1 cfs @ 09/17/2025
Instantaneous Flow: See USGS website
Instantaneous Stage: 2.02 ft @ 10/28/2025 16:20

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