sustainable water management and resilience against future water crises, Greywater reuse, Sustainable water management, Decentralized treatment systems, Water scarcity, public acceptance.
Abstract
Greywater, generated from domestic activities such as bathing, laundry, and washing, constitutes the largest fraction of household wastewater apart from sewage. Owing to its relatively low pathogen and organic load compared to blackwater, greywater offers significant potential for reuse in non-potable applications such as irrigation, toilet flushing, and cleaning. With increasing freshwater scarcity and overexploitation of groundwater, greywater reuse is being recognized worldwide as a sustainable strategy for urban and rural water management. This paper reviews the composition and characteristics of greywater, highlights key treatment technologies—including biological, physio-chemical, nature-based, and hybrid approaches—and examines their efficiency, limitations, and applicability. Case studies from both developed and developing countries are analysed to identify barriers such as costs, energy demand, infrastructure, and public acceptance. The review emphasizes that integrated, multi-barrier systems offer the most reliable performance, though decentralized low-cost solutions are essential for water-stressed communities. The study concludes by outlining opportunities for scaling greywater reuse.
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IJRTI — journal style
"A Review on: Greywater Treatment and Reuse for Sustainable Water Management", IJRTI - International Journal for Research Trends and Innovation (www.ijrti.org), ISSN:2456-3315, Vol.10, Issue 9, page no.a266-a271, September-2025, Available :https://ijrti.org/papers/IJRTI2509033.pdf
APA — 7th edition
Patil, P., Navale, A., Mansi, S., & Jagtap, A. (2025). A Review on: Greywater Treatment and Reuse for Sustainable Water Management. International Journal for Research Trends and Innovation, 10(9), a266-a271. https://ijrti.org/viewpaperforall.php?paper=IJRTI2509033
MLA — 9th edition
Patil, Prataprao, et al. "A Review on: Greywater Treatment and Reuse for Sustainable Water Management." International Journal for Research Trends and Innovation, vol. 10, no. 9, 2025, pp. a266-a271, https://ijrti.org/viewpaperforall.php?paper=IJRTI2509033.
Chicago — 17th, bibliography
Patil, Prataprao, et al. "A Review on: Greywater Treatment and Reuse for Sustainable Water Management." International Journal for Research Trends and Innovation 10, no. 9 (2025): a266-a271. https://ijrti.org/viewpaperforall.php?paper=IJRTI2509033.
Harvard — author–date
Patil, P. et al. (2025) 'A Review on: Greywater Treatment and Reuse for Sustainable Water Management', International Journal for Research Trends and Innovation, 10(9), pp. a266-a271. Available at: https://ijrti.org/viewpaperforall.php?paper=IJRTI2509033
IEEE — numbered reference
P. Patil, A. Navale, S. Mansi and A. Jagtap, "A Review on: Greywater Treatment and Reuse for Sustainable Water Management," IJRTI, vol. 10, no. 9, pp. a266-a271, Sep. 2025.
Vancouver — biomedical
Patil P, Navale A, Mansi S, Jagtap A. A Review on: Greywater Treatment and Reuse for Sustainable Water Management. IJRTI. 2025 Sep;10(9):a266-a271.
AMA — 11th edition
Patil P, Navale A, Mansi S, Jagtap A. A Review on: Greywater Treatment and Reuse for Sustainable Water Management. IJRTI. 2025;10(9):a266-a271. Accessed at https://ijrti.org/viewpaperforall.php?paper=IJRTI2509033
BibTeX — Zotero, Mendeley, LaTeX
@article{IJRTI2509033,
author = {Prataprao Patil and Aishwarya Navale and Sonawane Mansi and Abhijit Jagtap},
title = {A Review on: Greywater Treatment and Reuse for Sustainable Water Management},
journal = {International Journal for Research Trends and Innovation},
volume = {10},
number = {9},
pages = {a266-a271},
year = {2025},
month = {September},
issn = {2456-3315},
url = {https://ijrti.org/viewpaperforall.php?paper=IJRTI2509033}
}
RIS — EndNote, RefWorks
TY - JOUR
AU - Patil, Prataprao
AU - Navale, Aishwarya
AU - Mansi, Sonawane
AU - Jagtap, Abhijit
TI - A Review on: Greywater Treatment and Reuse for Sustainable Water Management
T2 - International Journal for Research Trends and Innovation
JA - IJRTI
VL - 10
IS - 9
PY - 2025
SN - 2456-3315
UR - https://ijrti.org/viewpaperforall.php?paper=IJRTI2509033
SP - a266-a271
ER -
International Journal for Research Trends and InnovationPublished by IJRTI (JW Publication)
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Declarations
Funding
No external funding was received for this study.
Conflict of Interest
The authors declare that they have no conflict of interest.
Acknowledgements
The authors would like to thank the reviewers and the editorial board of International Journal for Research Trends and Innovation for their careful reading and constructive comments, and all colleagues who supported the preparation of this manuscript.