1. Greywater

2. Greywater 50% to 80% of residential waste water
Greywater is all water from house except from toilets and garbage disposal
Kitchen
Garbage disposal is the exception
Shower
Sink
Washing machine

3. Blackwater
Toilet
Garbage disposal  

4. 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

5. 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.

6. 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

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

8. Irrigate with Greywater
Greywater have some blackwater-type components, including various pathogens
Dripped not sprayed
Avoid breathing

9. 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)

10. Sloan AQUS Greywater System
Sink water filtered to flush toilet
Save 2-person homes around 5000 gallons of fresh water a year

12. Sustainable Toilet
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