From Aug to Nov we've been in a drought for the local area - about 6" below normal, setup PondCam today to observe what's happin down there. I'd say we have 3-4' filled of the 10-11' expected the water volumn with removing the middle - as this is a "pothole" and no streams run into it I don't expect the level to remain constant, but the overflow should empty any excess. I plan to wait until Apr or so and test the water to see if it needs amended or not and if the plug holds, the neighbors rebuilt pond is up to the overflow we put in = so I'm hopeful for my two ponds.

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8 Ponds in Mid-East Ohio, three streams that merge to 1.

Fishbowl Pond - 1.5 acre, family swimming hole, 22'
Figure 8 Pond - 1.25 acre, 12'
Crescent Pond - 2 acre 11'