India is in the midst of a water crisis, with the country’s population expected to face severe water scarcity by 2025. With rising population expansion and development, different means for ensuring water availability must be seriously examined. Greywater management, which is defined as all sources of residential wastewater except toilet wastewater (Blackwater), is becoming increasingly significant, particularly in rural regions, where poor wastewater management is one of the leading causes of pollution and fatal diseases. Greywater reuse, when done correctly, has a lot of potential as an alternative water source for things like irrigation and toilet flushing. The ’Constructed Wetland (CW) system’ is a solution that has proven to be particularly effective in recycling greywater. The various treatment technologies for greywater treatment are discussed in this paper. The possibilities for reuse of treated greywater are also discussed in the article. The eco-friendly nature, low capital investment, zero energy requirements and O&M hassle free approach in CW clearly identifies it as a sustainable alternative to conventional treatment systems for greywater management in rural areas.

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