Septic Systems: The Inside Story

Two Componentslawn sprinkler systems must not be located within
Class 4 septic systems are divided into twothis area.
components, the septic tank and the septic field orHelpful Hints
leaching bed. Waste is piped out of the house intoLimiting excessive amounts of water in a short time
the septic tank, which is essentially a watercan help reduce disruption of the septic process. You
clarification tank, in which anaerobic bacteria breakmay want to consider the following water use
the waste down into solids (sludge), liquid effluent,reduction practices:
and scum.* Install water saving shower heads, sink aerators,
and low-flush toilets.
The solids settle to the bottom, the scum floats to* Use dishwashers and washing machines only for full
the top and the liquid effluent flows through an outletloads, and stagger the loads through the week.
pipe into a distribution chamber, where it is directed* Don't run water continuously when shaving,
to the septic field. The septic field is an effluentbrushing teeth, rinsing dishes or veggies.
water disposal system, where the liquid is channeled* A container of water in the fridge prevents the
through perforated pipes to different parts of a fieldneed to run water continuously for a cold drink.
of loose gravel.* The installation of garbage grinders, large volume
Septic Tankhot tubs or spas are not recommended unless the
Materials that initially float in the scum layer are keptseptic system has been sized to accomodate their
out of the drainage sytem by an outflow tee oruse.
baffle. If the tank is not pumped regularly, the level* The use of biodegradable products is highly
of solids can rise, and if it approaches the level of therecommended. Disposal of non-biodegradeable
outflow tee, scum and solids can proceed out intoproducts such as condoms, feminine hygiene
the drainage system, clogging the pipes and gravel -products, plastics, dental floss, etc. is strongly
and eventually preventing the absorption of thediscouraged.
water by the surrounding earth.If you have questions regarding the care and
A Class 5 septic system is a holding tank for themaintenance of your septic system, consult your
storage of sewage at the site where it is produced.contractor or the Environmental Protection Division of
A typical holding tank system is comprised of a singleyour local Health Department.
compartment tank with a pump-out stack and anThe standards for private sewage systems are
audible or visual warning device to alert theprescribed in Ontario Regulation 358/90, under the
homeowner when the tank requires emptying. AEnviromental Protection Act, and the Guidelines
holding tank is costly to operate, places restrictionsestablished by Ministry of Environment, and
of the owner, and is dependent on Class 7 (hauled)requirements of your local munipality or township.
sewage system for waste collection and disposal.General Guidelines for Purchasers
A property serviced by a holding tank system* If the system is 5-7 years old and has never been
requires an agreement registered on title to notifypumped it is unlikely that there are serious problems.
current and future owners of the servicing* If there is no record of the system having been
restrictions on the property.pumped but the owner has a vague recollection of
Care and Maintenancepumping the system at some time in the distant
With proper care and maintenance, your septic tankpast, figure that it has never been pumped.
and field should provide many years of trouble-free* If the system is over 10 years old and has never
service. There are, however, some important stepsbeen pumped, it is possible that there has been some
to follow to help you maintain the proper operationdamage to the septic field, and if it's not been
of your sewage disposal system.pumped for over 15 years it is quite likely.
The Honey Wagon!* The only way to make an accurate determination
The septic tank in a residential system should beof the system is to have a licensed contractor or
inspected at least once every two years for sludgeengineering firm perform a tank, distribution chamber
buildup. The tank should be pumped by a licensedand field inspection, and possibly soils sampling.
septic tank pumping contractor when necessary.* Flushing dye through the system looks good but
Under normal use a septic tank should have itswill only indicate systems that are already
contents removed every two to three years.seriouslyclogged, in which case there should already
The use of starters, bacterial feeds or cleaners in abe more obvious signs.
septic system is normally not necessary.* Flushing dye may not indicate serious defects or
The final grade (top soil) over the field should not beindicate systems that are close to failure but still
altered after it has been installed and inspected, andfunctional.
should be kept grassed after installation. Shrubs,* If you are on a septic system, adding a bedroom,
trees or gardens should not be established over theeven without adding a bathroom, may mean having
septic field.to increase the size of the tank and drainage field.
Discharge from evestough drains and sump pumpsVisit the RotoRooter website for more info about
should not be directed into or over a septic field, andplumbing, sewage, and septic systems.