The Oswego Diversion Dam is located in the Tualatin River at river mile 3.4. Data are collected on the half hour. Periods with no data are plotted as grey areas.

The chlorophyll fluorescence sensor provides an estimate of the amount of chlorophyll pigment found in algae based on a fluorescence response.

These data are provisional and are subject to revision.

Graph updated: Wednesday - Dec 18, 2024 at 23:00:22 EST

graph of chlorophyll fluorescence

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U.S. Department of the Interior | U.S. Geological Survey
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Page Last Modified: Thursday - May 16, 2024 at 10:48:25 EDT