Excessive flows at the Glen Walter (Ont.) Water Pollution Control Plant were preventing developers from expanding the township of South Glengarry.Six years after its construction in 1989, the 138,700-gpd treatment plant averaged 124,700 gpd with peak flows of 419,000 gpd, representing 850 residential accounts and one restaurant. The system was built to service 1,080 customers.Because the treatment plant met its effluent discharge permit of 25 mg/l BOD and TSS, everyone tolerated the excess flows until 1999, when they jeopardized plans for future development. The local government asked Shawn Killoran, operations manager of the South Glengarry Water/ Wastewater Department and Glen
