Is my pond leaking?
I would appreciate a bit of advice from experienced pond owners...
I built a small wildlife pond last November and ever since it has been losing a millimetre or two of water a day. The water loss is so slow that a a decent amount of rain will top it back up again - and as we have had so much rain over the last few months I haven't been able to determine if there is a level at which the water loss stops.
I drained the pond a couple of weeks ago but couldn't find an obvious hole in the butyl liner, and I so refilled it.
I am aware that ponds will naturally lose water through wind, evaporation etc, and as the water loss is so slow I hope this is what is happening - but I would only have expected this to happen in warmer summer weather, and in any event, my pond is in a fairly sheltered and shady spot.
Would such a water loss continue to happen through the winter and spring?
Thanks, in advance,