Quote:
Originally posted by Bob Lusk:
Finding the leak is the hardest part. The pond drops to a certain level, then stops. So, we can assume the leak to be at that level. But, don't assume. My experiences suggests there could be more than a single "leak" especially since soils are suspect. Often, we assume water is leaving from a single source...but that's not "normal" for a leaky pond. Take hundreds of pinhead size leaks, like little veins, add them together and you have a pond which loses an inch each day. I would plan to line the entire pond with clay, if possible. You will get one shot at it, so I would plan to "overkill" if you think it's practical.
that's good advice.

when a pond drops to a certain level and stops its either that the leak is at that level, or the hydraulic head is reduced to the point that water is not being driven out through the "pinholes" in the bottom. chances are, your leak is in the areas where hydraulic pressure is greatest. if budget and resources do not allow you to line the entire pond, start with the deepest areas first.

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