RIISP Subsidy Amounts
What is the maximum allowable subsidy?
The installation of plumbing devices and additional measures can help prevent flooding or sewer backups in homes. The Residential Inflow & Infiltration Subsidy Program subsidizes the installation or purchase of the following for residential property owners with a property that is connected to the municipal sanitary sewer system:
Backwater Valve
- Allowable subsidy = 75% of the invoiced cost up to a maximum of $1,500 including labour, materials, and taxes
Sump Pit/Pump
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Allowable subsidy = 75% of the invoiced cost up to a maximum of $ 1,875, including labour, materials, and taxes
Eavestrough Extenders
- Allowable subsidy = 100% of the invoices cost to a maximum of $10 per extender, with a maximum of 4 extenders per property, including taxes.
Rain Barrel
- Allowable subsidy = 50% of the invoiced cost to a maximum of $60 per barrel, with a maximum of 2 barrels per property, including taxes.
Lateral Lining
- Allowable subsidy = 50% of the invoiced cost to a maximum of $1,100, including labour, materials, and taxes.