2020 Map of Centerville NW

About this map

The Atchafalaya Basin Floodway dominates this coastal Louisiana landscape, revealing the intricate water-and-land interface of Iberia and St. Martin Parishes. This 2020 survey documents a complex network of wetlands and waterways, including Turkey Island and Shaws Island, situated within a broader hydrologic system managed by the W Atchafalaya Basin Spillway Levee. The map shows how infrastructure adapts to this environment, with roads like Pan Am Rd and Bellview Front St hugging the edge of the flood protection system. Remote bayous such as Big Bayou Pigeon and Smith Bayou wind through the basin, marking traditional routes through the swamp. Along the southern margin, small-scale access is noted by local names like Millet Point and Taylor Point, providing a contemporary record of this shifting deltaic region.