Green Glossary

Things I have learned since I started a green job:

Blackwater (or brownwater): water with sewage in it
Greywater: sullage – water from showers, dishwasher, or clothes washer – can sometimes be recycled for irrigation
Freshwater: yay!

Primary waste water treatment: takes out the big pieces and throws them away
Secondary waste water treatment: bacteria eat biological content in waste water
Tertiary waste water treatment: it goes through a filter and can be reused by industry, limited domestic use (golf course watering), and release into streams

Single stream recycling: you throw it all in one bin!

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