Retention pond serve beyond the superficial benefits of recreational use, often an essential role for the surrounding countryside as reservoirs that help manage and distribute excess discharge of heavy rainfall. These ponds are designed to efficiently collect water from a wide strip of land, and then, as the name suggests, keep it indefinitely.
Building a successful retention pond is much the same as building a pond, but more care should be given to the feeder streams. Moreover, you will want to ask suggestion management office to ensure that you do not affect the surrounding water table. Set the retention pond at a strategic time low in the area it will go. Dig the pond before digging the ditches. Otherwise, you may end up with a wet workspace that is difficult to prepare and seal well before the work is done.
12 Photos Gallery of: Build and Maintain Retention Pond
Optimum location for the Retention pond to exit when water levels rise. For this purpose you may wish to build the banks higher than you actually intend them to go, and leave a hole where you plan for any excess water to escape. You will need to create a path away from the pond to a creek, stream or river. You also need the local government permission to do so before you enter a new tributary of the local water table.