With countless miles of earthen dike walls separating tens of thousands of acres of wetlands, control of water is crucial to the broader management of these critical habitats. In many areas of the U.S. (and beyond) wetlands were converted to agricultural production through a complex labyrinth of subsurface drainage. By disabling these drainage systems, farm fields can revert back to wetlands as the hydrology returns. Ceramic and/or its more modern PVC drain tiles are typically . . .
View Installation Summary as PDF: Tile Plug / Levee Rehab - USFWS - Oak Harbor, OH