In fact, water and land are inseparable for farming peoples, which is why Earth Lord himself doubles as the custodian of local water resources, and settlements with certain Chinese characters in their names, meaning "-pond" or "-pool," almost always have an Earth Lord who is connected with water.
實際上，對農民而言，水土不分家，因此土地公原本也負責管理水源，在地名有埤、陂的水塘聚落大概都有管水的土地公，例如台北的雙連埤、桃園縣眾多的大池塘等。