J.F. Sabourin and Associates, Inc. 2008. 20 Year Performance Evaluation of Grass Swale and Perforated Pipe Drainage System. City of Ottawa, Ottawa, Ontario. Volume 524, Number 02. Pages 1-20

runoff, water quality, Swales, Perforated Pipes

This report summarizes the work and findings of the 2006 performance evaluation of three City of Ottawa sewersheds. Two of the sewersheds were serviced by the combined use of grass swales and perforated pipes (GSPP). The other sewershed was serviced by a conventional curb and gutter drainage system.