222. The establishment and extension of a storm water management system that does not depend on a combined sewer system are eligible for a declaration of compliance on the following conditions:1° the specifications for the work are prepared in accordance with the standard specification BNQ 1809-300 or at least meet the requirements of that specification for the work concerned;
2° the storm water drained by the system or extension does not come from a high-risk site;
3° if storm water is infiltrated into the soil, the bottom of the works used for infiltration is situated at least 1 m above bedrock level or above the seasonal peak groundwater level established on the basis of the oxidation-reduction level observed;
4° the water discharged cannot come into contact with a wetland not situated on a riverbank or lakeshore and in the littoral zone of a lake or a watercourse via surface runoff;
5° it is designed in compliance with the Design code of a storm water management system eligible for a declaration of compliance (chapter Q‑2, r. 9.01); 6° only storm water management works determined by the Design code of a storm water management system eligible for a declaration of compliance are used.