Treatment wetland

A treatment wetland is an engineered sequence of water bodies designed to filter and treat pollutants found in storm water runoff or effluent.^[1] Aerobic and anaerobic biological processes can neutralize and capture most of the dissolved nutrients and toxins from the water, resulting in the discharge of clean water. ^[2]

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types of treatment wetlands:

• subsurface wetlands
• surface wetlands
• sewage treatment (tertiary, secondary, and primary treatment)

Many regulatory agencies suggest treatment wetlands as part of their 'best management practices' for storm water runoff from urban districts

References

1. ^ US EPA Constructed wetlands guidelines
2. ^ Wastewater Treatment Wetlands: Contaminant Removal Processes by William DeBusk, University of Florida, Institute of Food and Agricultural Sciences