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Re: GBlist: Re: Greywater



Warren just mentioned "... repiping work on the risers serving the
toilets..." when using greywater.  

What about the whole plumbing/DWV system?  Apparently you need two
independent systems; on the supply side separate supplies of fresh, potable
water, and of greywater. On the waste side, one for collection, storage and
redistribution of greywater, and one for collection and disposal of
blackwater.  Can the vent pipes be joined?  Does greywater corrode/clog
pipes?  Do the building codes cover them?  Are code officials receptive?

In summary, are there any good reference materials or a treatise available?
With three kids rapidly approaching those teenage years, escalating
water/sewer fees, an opportunitiy to build a new house, and a general intent
on consumption reduction, domestic use of greywater makes sense to me.
Craig DeWitt
SC Energy R&D Center

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