Original owner of 23 year old pond, 3/4 A surface area, dam has slight leak through back side when full (probably not cored correctly). Basin seems to fine. Builder had good clay & black dirt to work with. My questions: Should I repair leak before or after drilling a well (to maintain water level)? Is compacted clay going to be the best fix for this type of leak? How many GPM will I need to keep it full? How much can I expect to spend on well construction & pump operation?
