Land drainage

Land drainage may refer to:

• Surface drainage of the land
  • Drainage system (geomorphology), pattern of natural drains, streams, rivers, etc.
  • Surface runoff, surface runoff of excess rainfall from the land
  • Drainage system (agriculture), land forming or land shaping to enhance the drainage from the soil surface in agricultural land
  • Contour plowing, controlling runoff and soil erosion
• Subsurface (groundwater) drainage
  • Horizontal drainage by pipes and ditches
    • Drainage
    • Tile drainage
    • Watertable control
  • Vertical drainage by wells
    • Well drainage
    • Watertable control