Guidelines and manuals
2008 • Ministry of Environment, Water and Agriculture – Kingdom of Saudi Arabia Guidelines for Greywater Reuse in Saudi Arabia
These guidelines provide a framework for greywater reuse in Saudi Arabia, emphasizing water conservation, environmental protection, and cost-saving measures. The document outlines the quality specifications of treated greywater which can be reused in flush tanks and agriculture. One treatment system is given as a case-study including drawings and a cost-benefit analysis.
Recovered Materials & Products
Water
Water reuse
Waste Streams
Greywater
Confirmed countries

What is this tool intended for?
The guidelines aim to raise awareness and promote the safe treatment and reuse of greywater in Saudi Arabia, which could reduce reliance on freshwater by up to 50%.
How does this tool work?
The document recommends separate greywater and blackwater drainage pipes from buildings and outlines greywater treatment requirements, followed by the recommendation to use the water for flushing toilets or in agriculture.
Who might use this tool and with which types of stakeholders?
Residential and commercial property developers: To integrate greywater systems in new constructions.
What stages of a process can this tool support?
Planning: Design specifications for new buildings, including separate greywater networks.
Technologies
Themes
Design
Monitoring, Evaluation and Learning
Policy and regulation