How to find the leak in your fish ponds liner?

First, check the seasons and weather.

Could the drop in the pond’s water level be caused by evaporation during a long, hot, dry summer?(During the hot, dry summer months, the pond loses about an inch of water a day!)In spring, melting snow can cause a pond to overflow, which you assume is a leak, but is perfectly normal for that time of year.Once you’re sure it’s not season-dependent, then you need to check other areas of the pond.

Second, check for rodent tunnels near the edge of the pond, and areas where the rocks are clearly moving or moving.

Sometimes rodents such as mice, chipmunks and ground squirrels dig tunnels to interfere with the mechanism of impervious geomemes or other parts of the pond.If you see any rocks or areas that have shifted or moved around the edge of the pond, carefully examine these areas.

Also, check your exhaust pipe.If you see any water coming out of the pipe, you need to repackage the pipe with at least a foot of pure clay to stop the water from leaking.Also make sure you don’t have metal pipes, which may rust and require a complete replacement of the geomembrane.

Turn off the pond pump and check.If the water level continues to drop, it means the leak must be in your main pool.If the water level does not continue to fall, then you can assume that the main pool is fine and is leaking into a pipe, or a waterfall, or a stream.Check all pipes, including all joints, to ensure there is no leakage.Then see if your falls and streams are leaking.Often, plants or other obstructions raise the water level and cause the edge of the liner to overflow.

Check your mechanical defoamer connection.Turn off the pump and fill the pond to its normal level.Mark the initial water level.Shut off the pump for 12 to 24 hours, then take a second reading.If the pond is still full of water after this time, the mechanical pond peeler connection is waterproof, not the source of the leak.

Check your waterfall creek.Check waterfall boxes and connections, underground piping, and check valves.If the water level of the waterfall filter remains constant, these components are not the cause of the leak.Water loss occurs when the pump is switched on and the water is in motion. This is typically the case on either side of a waterfall or stream.Carefully examine the left and right sides of each waterfall area, as well as the edge of the pond impermeable membrane along the waterfall or pond stream.

Finally, check the pond seepage geomembrane itself.Check the edges to make sure the anti-seepage film of the pond is not sinking or the rock is not shifting.Inspection of the lining along the water level revealed any irregularities, large cracks or small punctures.The durability of lining in some ponds is not as good as that of impervious geomemes in others — before you build a pond, make sure you investigate your options to choose the right type for its particular environment.If you have an old pond and do not know which liner is in it, you may need to drain the pond and check the liner by visual inspection.

Most leaks are caused by settling or wrinkling of the geomembrane, or by water being diverted to the lining edges.Holes in the liner are rarely the cause of a leak, especially if the pond has held water reliably before a leak occurs.If you find your pond leaking on a consistent basis, then it may be time to drain the pond and install a new liner.You may want to read our integrated pond liner installation guide.

In addition, continuous leakage may be the result of your choosing to buy a lower quality geomememm.Not all pond membranes are suitable for every job, so make sure your application USES the highest quality geofilm.