Q-2, r. 22 - Regulation respecting waste water disposal systems for isolated dwellings

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17. Disposal site: Where the effluent of a treatment system is carried towards a soil absorption field, the disposal system must be connected to a soil absorption field where all the following conditions are met:
(a)  the soil must be a high permeability or permeable soil;
(b)  the bedrock, underground water or any layer of impermeable soil or low permeability soil must be at least 1.2 m below the surface of the disposal site if the effluent is from a primary treatment system and at least 90 cm below the surface of the disposal site if the effluent is from a secondary treatment system;
(c)  the grade of the disposal site must be less than 30%.
R.R.Q., 1981, c. Q-2, r. 8, s. 17; O.C. 786-2000, s. 22.