With the mini excavator you can drain it yourself and like you said, leave it dry out for a year or two.

Maybe by then the locals will forget about fishing in it and you can push the reset button.

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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).