- Lake Forest Association (LFA) - Caretakers of Eastwood Lake in Chapel Hill, NC.
I took our Memorial Day 2013 water tests Thursday May 24 between 1:30pm and 2pm The test results are as follows:
#1 Dock 58cfu
#2 Cedar Fork Creek 23 cfu
#3 Booker Creek 42 cfu
Caution level is individual reading above 400 cfu, or average above 200 cfu.
Lake water temp ranged from 27C/81F to 28C/83F
The SECCI clarity reading was 29 inches. The rain gauge had 1.8 inches of water and debris in it, and a black-widow spider & egg-case so it definitely will get replaced.
We are not supposed to take samples right after a rain, but I have been waiting for several days and there have been no stretches of rainless days. That explains why the counts are up and the turbidity is a bit higher..
We are still in a very good and safe range. The fact that the count is higher at the dock than at either tributary entrance indicates that whatever got washed into the lake is getting flushed through. The water is running across the entire spillway so we have good flow.
The next test is 4th of July. Between now and then we usually get an algae bloom and then it dies off. The die-off leaves a lot of black debris in the water that eventually settles on the bottom. We can avoid contributing to this natural cycle by following the fertilizer guidelines in the last water test report. Last year, this bloom and die-off did not occur, so it is not guaranteed to happen.
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