How much maintenance is required to keep constructed wetlands working?

Wetland maintenance is relatively simple. A few tasks must be completed periodically to keep the wetland in good working order.

  • Maintain pumps and outfall pipes moving water into the wetlands
  • Remove animal pests. Beavers and/or nutria from wetlands if they invade, because they will disrupt hydrology and short-circuiting treatment efficiency
  • Remove plant pests. Willows (Salix sp.) and other deep-rooted species should be removed from the wetland at regularly timed intervals
  • Clear vegetation from outlet pipes at end of wetland cells
  • Remove sediment from forebays or stilling ponds

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