18. Available area: The available area of the disposal site of a soil absorption field that serves an isolated dwelling must, without having to cut any trees, comply with the minimum standards in the following table, according to the origin of the effluent and the number of bedrooms:
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Number of bedrooms Minimum available area (square metres)
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Effluent from a Effluent from a
primary treatment secondary treatment
system system
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1 80 53
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2 120 80
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3 180 120
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4 240 160
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5 300 200
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6 360 240
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The available area of the disposal site of the soil absorption field that serves another building must, without having to cut any trees, comply with the minimum standards in the following table, according to the origin of the effluent and the total daily flow:
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Total daily flow (litres) Minimum available area (square metres)
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Effluent from a Effluent from a
primary treatment secondary treatment
system system
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0 to 540 80 53
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541 to 1080 120 80
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1081 to 1620 180 120
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1621 to 2160 240 160
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2161 to 2700 300 200
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2701 to 3240 360 240
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