GREYWATER

Greywater

50% to 80% of residential waste waterGreywater is all water from house except

from toilets and garbage disposal Kitchen

Garbage disposal is the exception Shower Sink Washing machine

Blackwater

Toilet Garbage disposal  

Irrigate with Greywater

Don’t store greywater• Use it within 24 hours

before bacteria multiply. After 24 hours it is well on its way to becoming blackwater

• Bacteria in it use up all the oxygen and the greywater becomes anaerobic and turns septic

• More like blackwater - stinky and a health hazard

Greywater Recycling Health Concerns Health risks are often cited by regulators

as reasons for requiring high-tech expensive systems although there are no recorded instances of greywater–transmitted illness in the US.

Greywater Recycling Health Concerns Permit hassles - Many jurisdictions in

North America have no clear guidelines regarding greywater processing. With water shortages looming in the near future for many regions, this may change sooner than later. Health concerns are often cited as the reason for not allowing greywater recycling, although there has never been a documented case of somebody becoming sick as a result of exposure to greywater

Greywater

• Greywater must pass slowly through healthy topsoil for natural purification to occur

Irrigate with Greywater

Greywater have some blackwater-type components, including various pathogens

• Dripped not sprayed• Avoid breathing

Greywater

Microorganisms on plants - Don’t apply untreated greywater to above ground components: lawns, or fruits and vegetables that are eaten raw (eg. strawberries, lettuce, carrots)

Greywater

Drain To Mulch Basin

 Sloan AQUS Greywater System Sink water filtered to flush toilet Save 2-person homes around 5000

gallons of fresh water a year

SustainableToilet