When should you pipe or move a stream?The short answer is never. The best practice is to design a development around environmental features, and not the other way around. While streams can pose serious restrictions to the development potential of a site, these are protected under the provincial Water Sustainability Act, and will likely also soon be subject to protection from the federal Fisheries Act. The streamside area is further protected by the Riparian Areas Regulation. It's also very important that the pres