14-Days of Total Chlorophyll at Tualatin River at Highway 219 (14206241)

Data are downloaded and processed nearly every hour.

Highway 219 crosses the Tualatin River at river mile 44.4. Data are collected on the half hour. Periods with no data are plotted as grey areas.

Provisional chlorophyll concentrations are derived from sensor fluorescence data, and have not yet been checked against lab-derived water-sample chlorophyll results.

These data are provisional and are subject to revision.

Graph updated: Friday - Jun 25, 2021 at 19:12:16 EDT