The Pontchartrain Basin is a large watershed located in southeastern Louisiana, primarily draining into Lake Pontchartrain. It encompasses several rivers, including the Tchefuncte River and the Bogue Falaya River, and covers parts of multiple parishes, such as St. Tammany and Orleans. The basin plays a crucial role in the region's ecology and hydrology. This area is significant for its diverse ecosystems, including wetlands and marshes, which support various wildlife species. The basin also influences local communities, providing resources for recreation, fishing, and tourism, while being vital for flood control and water quality management.