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We already have plumbing for a washing machine. We have removed the machine and would like to install a utility sink and garbage disposal. Can we use the washing machine water supply and drain for the utility sink and garbage disposal?

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Yes... Maybe... Probably. There's no way to answer this, without more detail. Photos would be the most useful, but a detailed description of the plumbing would also work. –  Tester101 Jul 15 '14 at 13:30
For what it's worth, I plan on doing exactly that after I move the laundry upstairs. (Minus the disposal. I don't find them useful, and folks managing sewage treatment systems hate them.) –  keshlam Jul 15 '14 at 15:41
@keshlam I've heard that re garbage disposals, but I haven't actually meet an agency with a decisively negative stance. My city almost encourages them philadelphia.cbslocal.com/2012/05/28/… . Philadelphia makes soil amendment with wastewater, and some veggies and other food scrapes apparently makes for more diversified flora. –  Edwin Jul 15 '14 at 18:08
Spoke with some of the folks in the Boston municipal dept. Their processor's biome is balanced for stuff that's mostly been through something's gut; undigested veg and meat throw that off. They don't say "don't", but they do say "we'd rather you didn't." –  keshlam Jul 15 '14 at 18:25
I'm personally more curious as to why you would need a garbage disposal in a utility sink. I wouldn't let food come anywhere near mine. –  Comintern Jul 15 '14 at 23:30

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