The answer to 'types of drainage system' is that there are several common types of drainage systems used in landscaping and home improvement projects. The most basic is a surface drainage system, which uses grading, swales, and channels to direct water runoff away from the home's foundation and landscaping. A French drain is a type of subsurface drainage that uses a perforated pipe surrounded by gravel to collect and divert groundwater. Storm drains and catch basins are also common drainage features that connect to municipal storm sewer systems. For areas with high groundwater or poor soil drainage, a sump pump system can be installed to actively pump water away from the home.
The type of drainage system needed will depend on the specific site conditions, climate, and landscaping requirements. It's important to ensure proper drainage to prevent water damage, erosion, and other issues around the home.