From green roofs to new odor control technology, one of Canada’s most technologically advanced clean-water plants is in Calgary, Alberta.The Pine Creek Wastewater Treatment Plant opened in 2009 after five years of construction to serve a growing population. Built with a focus on sustainability, the $390 million complex has a LEED Gold certified administration and operations building and the latest innovations in wastewater treatment, according to George Kewley, operations supervisor. The plant (26.4 mgd design, 21 mgd average) has a 30-person staff, including 20 operators on four rotating shifts.Leading technologiesTreatment begins with 6 mm perforated screens followed by highly efficient
