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

Section 87.25.1 Disposition versions

2012-09-01

87.25.1. Construction in sections under a treatment system: A leaching field consisting of a seepage bed installed under a standard sand-filter bed, advanced secondary treatment system or tertiary treatment system may be constructed in sections if the following criteria are met:

(1)  the total area of the sections complies with the minimum absorption area in relation to the number of bedrooms in the dwelling and the permeability of the disposal site determined in section 87.25;

(2)  the effluents are distributed in proportion to the areas of the sections constituting the leaching field;

(3)  where the sections are contiguous, their absorption areas are situated at the same level;

(4)  where the sections are not at the same level, a hydraulic barrier at least 1.2 m wide composed of undisturbed natural ground separates the sections and is of a minimum height equivalent to the base of the disposal system;

(5)  every collection and distribution component that carries part of the effluent towards a section of a leaching field is designed and installed in such manner as to comply with the standards in section 87.24;

(6)  the distribution of water within the absorption areas of the part of the leaching field constructed as a seepage bed is uniform and not altered by the effluent collection system;

(7)  the equipment forming part of the collection component is installed under the treatment systems in such manner that the effluent complies with the applicable discharge standards; and

(8)  the collection component and the delivery and distribution pipes in the various sections of the leaching field are designed to prevent clogging or obstruction.

O.C. 1158-2004, s. 11.