Why is peeing in the shower considered grey water, but peeing in a urinal is black water?

So I'm expanding my shed at the bottom of my yard my 50 tank is almost at the top of my god but only a couple of metres will overlook my house, either way it is uphill from my shed.

Now I have both the septic system and a grey water system at my property, and as we all know everyone loves to be in the shower and today it goes straight to my grey water which is realistically fine as far as anyone is concerned.

Now I looked into installing urinal in my shed so I have somewhere to pee when I was working in my shed, however I sent me told this would require a pump so that the pee can get back up to my septic tank.

So this raises the question why is it that when I pee in the shower is considered grey water, but when I pee in an actual urinal it's considered Black water and can't just be put out in my lawn?



Submitted August 19, 2022 at 01:00PM by Rumbuck_274 https://ift.tt/3KhlIVG

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