These ponds provide a source of water for humans, livestock, crops and fish. For these reasons most pond owners should be concerned about the amount of water maintained in their pond. Evaporation is surface water lost to the atmosphere. In a dry year rainfall may not replace the amount of water evaporating from the pond's surface.
Seepage is water lost through the soil.
Well constructed ponds with good soil may lose one inch of water per month to seepage. The most recognizable signs of a leaking pond are rapid water level decreases or the water falling below the level expected with normal use. Understanding why ponds leak and determining the most likely cause of the leak in your pond is the first step toward a solution. Leaks in ponds usually occur because of problems in one of the following areas. Site Selection Topography, drainage area and soil content are the keys to making a good site selection.