In Toronto, the city offers owners of single-family, duplex and triplex residential homes a subsidy of up to $3,400 per property for the installation of flood protection devices like a sump pump, backwater valve, and severance and capping of a home’s storm sewer or external weeping tile connection (which means the disconnection of the weeping tile pipe from the city’s sewer system). ... https://canadawaterproofers.com/waterproofing-caledon/backwater-valve-and-sump-pump/