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Septic Tanks


septic systems

A septic tank is a key component of the septic system, a small-scale sewage treatment system common in areas with no connection to main sewage pipes provided by local governments or private corporations.

Septic Tanks provide an onsite sewage disposal system for homes on the urban fringe and in rural or remote locations. Effluent flows from the toilet, bathroom, laundry and kitchen into a tank, where liquids, fats, oils and solids are separated.

Bacteria in the septic tank consumes the effluent, and leaves behind a liquid which flows on to an evapo-transpiration field. The liquid is evaporated by wind and sun or transpired through plants. 

What is a Holding Tank?

Holding tanks (also referred to as collection wells or pump out tanks) are used to hold effluent when it cannot be disposed of in an evapo-transpiration field. These tanks collect effluent that overflows from a septic tank and store it for pump out by an effluent tanker and safe disposal at a town sewerage works. Holding tanks must be maintained at 1/2 capacity to prevent flotation.