If it leaks now, it probably isn't going to get any better. We have some clients in Moore, and soils up there aren't spectacular. Compacting from the beggining is a very important step in dam construction. How much water are you losin per day, week etc. That could make a difference. Also, if something needs to be done now is the time before you put fish in it. It might be necessary, as scary as it sounds, to drain your pond repack your dam with good clay and let it fill back up.
