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Surge Tank and Pump Grey Water Treatment Systems
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Simple Surge System
The system to the left is a simple surge tank (210 litre drum) that is buried below the
level of the home's waste pipes. The pipes from the grey water source are diverted to this
tank. Once the level inside the tank reaches a pre-determined amount, the pump automatically
switches on and pumps the water onto a lawn or garden bed. Depending on the application, this
water can be filtered before entering the tank to remove hair, lint etc from the water before
it is passed through the pump to prevent blockage. This is a very effective and economical
method of using grey water but one must remember that the water is not treated and must be
used within 24 to 36 hours.
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