105.1. Subject to the Environment Quality Act (chapter Q-2), the city may, by by-law, order the carrying out, even outside its territory, of work respecting purification works serving or intended to serve its territory or of work designed to generate cost savings in respect of the collecting system.
For the purposes of the first paragraph, “purification works” means a sewer, a sewer system, a pumping station, a water purification station or any other works used to collect, receive, carry, treat or drain waste water or substances compatible with the city’s purification processes.