Alternatives to Flush Toilets and Septic Systsems - A Guide

Information is available on the Internet for anyoneabsorption by trees, shrubs, plants and grass.
researching alternatives to flush toilets, septicDigestor tanks collect and break down all waste and
systems and hookup. Most of these products andtrash, producing both methane gas that can be used
technologies have been designed to address one orfor fuel, and humus.
both of the two central problems presented byComposting toilets collect human waste and turn it
flushing away human waste.into humus.
Problem one is the use of water to flush waste. AIncinerating toilets burn the waste, reducing it to a
single flush can use up to eight gallons of water, withfine ash.
a household of four people using more than twoEvaporating toilets evaporate the waste. Depending
hundred gallons a day just to flush the toilet.on the methodology, these either reduce or eliminate
Low-flow toilets address this problem by reducing thethe amount of waste needing to be pumped.
amount of water used and increasing the velocity ofThree factors figure into the evaluation process of
the flush. Waterless toilets eliminate the use of waterthese products and systems. They are
altogether.appropriateness, cost of system and cost of
Problem two is when the ground cannot properlyoperating.
handle human waste at a given site or in a givenIs the system appropriate? Systems requiring water
watershed area that would otherwise use a septicwon't work where there is no running water or the
system. Categories of products and systemsground won't perc. Systems not allowed by the local
addressing this problem include advanced treatmentcodes also get ruled out unless a waiver is granted.
systems, microbiotic treatment systems, portable(In many cases a waiver will be granted.) Systems
potties, holding tanks, lagoon systems,too small or too large for the anticipated usage
evaportranspiration systems, chemical toilets, digestorshould be ruled out. Systems that cannot stand up to
tanks, composting toilets, incinerating toilets andlocal conditions, such as freezing, or to intermittent
evaporative toilets.use such as seasonal cabins, would also be ruled out.
Advanced treatment systems and microbioticFor example, aerobic systems that spray treated
treatment systems improve on septic systems. Withwaste need a constant supply of waste to treat
more treatment the waste is turned into a saferbecause otherwise the bacteria they require will not
discharge, doing on site what waste treatment plantsmultiply sufficiently to do the job.
do for sewage.Cost. In computing costs of a system be sure to
Portable toilets/chemical toilets simply collect thefactor in labor and any additional material required,
waste in small tanks that have a substantial amountsuch as sand or gravel. With septic systems the
of liquid chemicals pre-loaded for the purpose of killinggreater the amount of leech lines required, the
pathogens and controlling odor. The tanks are thengreater willl be the amount of needed land and the
pumped and trucked away for disposal or drainedcost of the leech lines.
into septic systems or sewers. Variations of theseOperational costs. How much power, chemicals and
are also used in RV's, boats, trains and planes.system maintenance will be required? Are there
Holding tanks are large tanks sunk into the ground.pumping and disposal fees? Do any components need
They are pumped periodically and are typically usedperiodic replacing? How long will the system last? Can
for large public facilities such as rest stops and publicthe system be left unattended and unused for
parks.extended periods of time without needing servicing
Lagoon systems are ponds that collect sewage.to start up and resume proper functioning? Does the
Solids settle to the bottom of the pond and thesystem need to be winterized?
liquids evaporate. These are widely used by smallMost professionals in the sanitation industry will tell
towns, campgrounds, resort areas, recreation areasyou that proper sanitation can be provided for any
and clusters of homes.situation. But remember, the advice is no better than
Evapotranspiration systems put liquid waste out onthe information you provide. So, ask and seek, don't
top of the ground for evaporation as well asbe bashful!