GREYWATER. Greywater 50% to 80% of residential waste water Greywater is all water from house except...
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Transcript of GREYWATER. Greywater 50% to 80% of residential waste water Greywater is all water from house except...
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GREYWATER
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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
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Blackwater
Toilet Garbage disposal
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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
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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.
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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
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Greywater
• Greywater must pass slowly through healthy topsoil for natural purification to occur
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Irrigate with Greywater
Greywater have some blackwater-type components, including various pathogens
• Dripped not sprayed• Avoid breathing
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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)
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Greywater
Drain To Mulch Basin
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Sloan AQUS Greywater System Sink water filtered to flush toilet Save 2-person homes around 5000
gallons of fresh water a year
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SustainableToilet