Aeration Bringing About Decomposition of Sediment

The main goal of the aeration project has been to reduce sediment. This reduction happens because the addition of dissolved oxygen enables the natural bacteria to go about their job of decomposing—”eating”—the sediment. To monitor the progress, vice president David Emmons has taken depth measurements to soft bottom over the time the nine diffusers have been in place in the lake, using a device designed and constructed by Fran Gilman. The following graph shows the record of how the depth has increased at each diffuser during the four measurement dates for this first season of aeration.

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