Greywater Recycling Calculator
Calculate greywater production potential and design recycling systems for irrigation and non-potable uses
About this calculator
The Greywater Recycling Calculator helps homeowners and builders determine the potential volume of greywater available from household sources like sinks, showers, and washing machines. This tool calculates daily greywater production based on occupancy and usage patterns, then provides system sizing recommendations for irrigation and non-potable applications. By accurately estimating greywater volumes, users can design efficient recycling systems that reduce water consumption, lower utility bills, and support sustainable water management practices for gardens and landscape irrigation.
How to use
Enter your household size and daily water usage habits including shower frequency, laundry loads, and sink usage. Input your irrigation needs and desired greywater applications. The calculator will estimate your daily greywater production volume and recommend appropriate system components, storage tank sizes, and distribution methods for optimal recycling efficiency.
Frequently asked questions
What sources of greywater can be recycled?
Greywater includes water from bathroom sinks, showers, bathtubs, and washing machines. Kitchen sinks and dishwashers are typically excluded due to grease and food particles.
How much greywater does an average household produce daily?
A typical household produces 50-80 gallons of greywater daily, depending on occupancy and water usage habits like shower duration and laundry frequency.
What are the main uses for recycled greywater?
Recycled greywater is primarily used for landscape irrigation, toilet flushing, and outdoor cleaning. It cannot be used for drinking, cooking, or bathing purposes.