- Lake Forest Association (LFA) - Caretakers of Eastwood Lake in Chapel Hill, NC.
Our Mid-Summer/ 4th of July, 2016, water samples were taken Tuesday, June 21, 2016 between 10:55 am and 11:30 am This is our third water test this year.
#1 Dock 1 cfu
#2 Cedar Fork Creek 1 cfu
#3 Booker Creek 4 cfu
Caution level is individual reading above 400 cfu, or average above 200 cfu.
Lake water temperature was 28C/83F at all sites. The SECCI clarity reading was 34 inches, which is slightly clearer than normal for this time of year. The rain gauge was dry. The lake level was 1.25” below the lowest step on the spillway, meaning it is slightly below full, not so low as to stop the flow of water through the lake or into Booker Creek below the dam.
The CFU readings continue to be excellent!
I again adjusted my sampling location for site #1 because the near dock has been relocated 25-30 yards to the left (as viewed from the beach) from its former location, over the deepest point in the lake, about 14 feet, and the confluence of the two tributary streams that provide all of the surface water in the lake. (There are also several springs in the main bay.)
With the current low rainfall, I don’t expect to see the algae bloom and die-off that we had as part of our normal annual cycle for more than 10 years but not in the past three years. The water has a faint yellow cast which is probably dissolved solids from erosion, but it is less concentrated that it was several years ago. This tends to become more pronounced if we don’t start having regular rains.
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