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RE: Potable Drinking Water & Wastewater - Re the 27% household water use intoilets.
Low flush toilets are a wonderful start but we need to make sure that the
infrastructure is in place to accommodate low flow systems. Unfortunately,
not all communities were designed with this in mind. For instance, state
and local plumbing codes specify required pitches for lateral sanitary
lines coming from residential properties. Minimum pitches are determined
in part on solids loading and flow. Not everyone had the foresight to
increase the pitch to decrease plugging problems. I do not work for a
drain cleaning company, but I do belong to one of their email listservers.
These companies are making big money on cleaning laterals clogged with
sanitary wastes. They see the increased use of low flow toilets as part of
the reason. The existing sewer laterals do not have adequate pitch to
transport the 'stuff' to the street main when low flow toilets are used.
It will take people like yourself to work with people writing building code
to end up with a win-win situation.
Sigma Environmental Services, Inc.
<Deborah.MacCormac@dep.st To: <PioLom@aol.com>,
Sent by: <firstname.lastname@example.org>,
Subject: RE: Potable Drinking Water &
Wastewater - Re the 27% household water use in
03/15/2002 09:27 AM toilets.
Please respond to
27% grrr- the modern toilet!! Just think what an efficient, economical,
completely retrofittable and environmentally benign replacement for this
year old technology could do for the fresh water
supply of the entire planet!!! I have two top quality, low flush toilets
regretfully, we have a long way to go yet!! Inventors of the world, where
FDEP - P2 - Orlando
From: PioLom@aol.com [mailto:PioLom@aol.com]
Sent: Thu 14-Mar-02 5:34 PM
Subject: Re: Potable Drinking Water & Wastewater
It is suggested that you review
Handbook of Water Use and Conservation" (WaterPlow Press, 2001,
www.waterplowpress.com) which includes a chapter that discusses
water use in further detail (Chapter 2, "Residential and Domestic
and Efficiency Measures").
Also go to for some very detailed data go to
which will provide recent extensive AWWA data stating toilet water
18.5 gpcd or 26.7% of total indoor use
Pio Lombardo, P.E.
Lombardo Associates, Inc.
49 Edge Hill Road
Newton, MA 02467
Portable phone: 617-529-6399
Web Site: http://www.LombardoAssociates.com