Self-built garden water feature

Quick answer：

A self-built garden water feature refers to a water-based landscape design that is created by an individual or a company. It typically includes elements such as ponds, waterfalls, streams, and fountains, which are constructed in a garden setting. These features can enhance the aesthetic appeal of a garden and provide a tranquil environment. They may require regular maintenance to keep them functioning properly and to ensure the health of any aquatic plants or animals that inhabit them.