Dear puzzled (rare chance for me to feel like Dear Abby),

Greetings and welcome to the forum.

How bad is the leakage? How far down is the pond (over it's high point back when?) and how much water (height) does it lose per day/week?

How thick was the clay layer that was applied?

"Live like you'll die tomorrow, but manage your grass like you'll live forever."
-S. M. Stirling
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