31.1. Stabilization or oxidation ponds: Any outside stabilization or oxidation pond used to treat leachate from a sanitary landfill site must:(a) have sides and a bottom made of leakproof material or of material through which the migration time of water is less than 10-5 centimetres per second;
(b) where the sides form an embankment above ground level, the upper part of the embankment must be no less than 3 metres wide;
(c) have sides and embankments with a grade of 3 in 1;
(d) be designed and operates so that no less than one metre is left at all times between the water level of the pond and the edge of the sides;
(e) have a horizontal bottom free of any vegetation;
(f) have rounded corners;
(g) have an entrance and an exit placed opposite each other along the longitudinal axis of the pond;
(h) have an outlet with a concrete foundation that, for a stabilization pond, must be designed to allow for a certain variation in the water level of the pond;
(i) be designed and operated to maintain, for an oxidation pond, a maximum depth of 4 metres of water and, for a stabilization pond, to maintain a depth of 1 metre between 1 May and 1 November and of 2 metres between 1 November and 1 May;
(j) be designed and operated to ensure the removal of 85 % of the 5-day biochemical oxygen demand of leachate;
(k) for an oxidation pond, be equipped with an emergency pressure charger;
(l) for a distance of less than 10 metres, be surrounded by a permanent steel wire fence no less than 2 metres high with spacing no more than 8 centimetres wide; and
(m) have an access road that may be used year-round.
This section applies particularly to a reserved area or in an agricultural zone established in accordance with the Act to preserve agricultural land (chapter P-41.1) (chapter Q-2, s. 124.1)