More info needed here.. Is runoff your source? Well water pumped?
What is soil composition?
If you are building this for a fishery, why is it just a muddy crater?
I say we take a second look at this, doesn't sound like your contractor had enough knowledge to perform the task you were asking for.
EDIT: just got pics to load...
Any roots cut will decompose and create a void-more than likely.. Any roots that were not cut will enter pond anyway.

Last edited by Snipe; 05/31/22 11:30 AM.
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