| Drain Type | What You See | Common Fix | |------------|--------------|-------------| | | Leads to a dry well or French drain | Clear pipe and flush the drain field | | Connected to septic | Shares line with laundry or bathroom | Check septic tank level | | Connected to city sewer | Pipe goes toward street | Call utility or plumber for main line |

Call a plumber or drain specialist if:

Key takeaways * An overflowing outside kitchen drain can be caused by food waste, leaves, tree roots or grease blocking the pipes. Checkatrade How to Fix a Blocked Drain Outside - HomeServe