Greywater is water from showers, bath tubs, washing machines, and bathroom sinks. Using greywater is an innovative way to reduce potable water use and flows to the sewer system. It provides for an efficient means to irrigate plants in your landscape, and provides natural groundwater recharge.
- 1 What is GREY water system?
- 2 How does a GREY water treatment system work?
- 3 Are GREY water systems worth it?
- 4 How much does a GREY water system cost?
- 5 Are greywater systems legal?
- 6 How much GREY water does a house produce?
- 7 Where does greywater go in a septic system?
- 8 What is a blackwater system?
- 9 Does a greywater system save money?
- 10 Is kitchen sink water GREY or black?
- 11 How much money do GREY water systems save?
- 12 Is shower water GREY water?
What is GREY water system?
Graywater systems are onsite wastewater systems that use graywater for subsurface landscape irrigation through the use of mulch basins, disposal trenches or subsurface drip irrigation fields. There are basically two types of graywater systems: gravity fed manual systems and package systems.
How does a GREY water treatment system work?
How a greywater system works. Greywater is water from basins, baths and showers that is piped to a surge tank. The greywater is held briefly in the tank before being discharged to an irrigation or treatment system. The greywater can be diverted either by gravity or by using a pump.
Are GREY water systems worth it?
A study commissioned by the city of Santa Rosa, CA, reported that a “laundry-to-landscape” greywater system would save 15 gallons of water per person, per day. Recycling greywater from bathroom sinks and showers saves an additional 25 gallons of water per person; some systems can save 50,000 gallons a year.
How much does a GREY water system cost?
A grey water system generally costs between $1,000 and $4,000 or $2,500 on average, including installation. Costs can run as low as $700 for a simple system that runs from your laundry room to your yard and up to $20,000 or more for a more complex, full-house system.
Are greywater systems legal?
California’s Graywater Standards are now part of the State Plumbing Code, making it legal to use graywater everywhere in California. Many small landscaping and plumbing businesses have specialized in the design and installation of residential graywater systems.
How much GREY water does a house produce?
The amount of greywater produced in a household can vary greatly ranging from as low as 15 L per person per day for poor areas to several hundred per person per day.
Where does greywater go in a septic system?
California regulates grey water more closely than most other states and only allows unpermitted recycling from a single washing machine. The water must stay on the property and go directly to landscape plants.
What is a blackwater system?
Blackwater recycling systems begin like ordinary household septic systems. Household blackwater is sent to a tank where anaerobic organisms and bacteria begin the process of breaking down the sludge. The filtered and decontaminated water is pumped into a separate tank to be reused.
Does a greywater system save money?
The average greywater system installed on a single-family home can save about 2,600 gallons of water per year, and have a lifespan of 10+ years. The cost of greywater would be about 10¢ per gallon, 20x more than municipal water costs.
Is kitchen sink water GREY or black?
Gray water in California is defined as water from showers and baths, washing machines, and bathroom sinks. Black water in California is defined as water from kitchen and toilet sinks.
How much money do GREY water systems save?
Figures suggest that one Australian house can produce about 400 litres of grey water a day, representing around 40% of total water use. Properly recycled grey water can be used to water your garden, leading to considerable water and cost savings as you save around 400 litres of fresh water a day.
Is shower water GREY water?
Greywater is gently used water from your bathroom sinks, showers, tubs, and washing machines. It is not water that has come into contact with feces, either from the toilet or from washing diapers. Greywater may contain traces of dirt, food, grease, hair, and certain household cleaning products.