Cyanobacteria Project- Falls Lake Reservoir at Intake- Water Column Profiles

Calendars are arranged with the most recent month on top. Click on any date for view of entire water column. Sensor history: Please note that the dissolved oxygen data from 7/1/05 10 am through 8/2/05 1 pm, 8/15/06 6 am through 8/23/06 10 am, and 2/12/07 12 am through 2/20/07 11 am should be treated as suspect due to sensor failure. The conductivity sensor was replaced at 11 am on 9/16/2010 and the pH sensor was replaced at 1 pm on 10/26/2010. The phycocyanin sensor was replaced at 11 am on 3/8/2011.

Due to seasonal low dissolved oxygen and high hydrogen sulfide precipitation on the sensors at depths greater than 3-4 meters, dissolved oxygen data for the past month has been compromised.   The water quality sensors have been reconfigured for these conditions to give a more accurate representation of the ambient conditions.  We will continue to monitor and study the situation.

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Water Quality at Falls Lake Reservoir, NC

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