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How to trace leak
Help,
Last year I moved into a house which has a koi pond. I had no problems with the pond last year. This year I am getting a slow leak. I can't seem to find out where the water is going. I have checked around the pond and I can't find a wet area which would indicate that the water is spilling over to that area. I have a pond which has a sump at one end. The water flows into the sump and then a pump pumps it up to another sump which when it overflows allows the water to move down a waterfall. I have filled up both sumps and checked to make sure the water is not leaking from any of the connections on the pump. If I fill the pond and lower sump but I do not turn the pump on the water level remains constant. It is only when the pump is turned on that the water level drops, about 1" per hour. As I have said I checked the ground between the two sumps and it is dry when the pump is working. I have checked the ground on either side of the waterfall and it is dry. The only thing I can think of doing is buying a seperate hose to hook up to the pump bypassing the upper sump. I was going to move it slowly up the waterfall to see at what point the water in the pond starts to drop. Just below that point I guess I have a leak. Are there any other suggestions? Thanks Alex |
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