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    Construction Performance Guidelines

About the Guidelines

These helpful guidelines outline work and material deficiencies in new homes and residential condominium units covered under the statutory warranty [...]

Sewer, Drains Or Fixtures Blocked

Article Number




Acceptable Performance/Condition

Sanitary drainage systems and fixtures shall drain waste products to a public sanitary sewer or private sewage disposal system without interruption.


One-Year - Work and Materials. Two-Year - Delivery and Distribution Systems. Seven-Year - Major Structural Defect (private sewage disposal systems only) · Damage caused by blocked sanitary drainage systems resulting from vegetation (e.g., tree roots), alterations made by the homeowner, improper maintenance or use, or caused by municipal services or other utilities is excluded from the warranty.


Complete failure of sanitary drainage systems is considered to be an emergency. · The builder shall effect repairs within 24 hours of receiving notice from the homeowner. If the homeowner cannot contact the builder, the homeowner must follow the “Emergency Situations” rules outlined on Tarion's website. · If the homeowner expects to be reimbursed for repairs, the repairs must be documented to clearly identify the nature of the problem and repair and be illustrated with photographs. · The builder is only responsible for reimbursement where the cause of failure results from work or material supplied by the builder. In all other cases, the homeowner is responsible for the cost of repairs.


With respect to septic systems, improper maintenance by the homeowner includes: · Connection of sump pump, roof drains, or backwash from a water conditioner into the system. · Placement of non-biodegradable items into the system. · Use of a food waste disposal. · Placement of surfaces not permeable to water over the disposal area of the system. · Allowing vehicles to drive or park over the disposal area of the system. · Failure to pump out the septic tank periodically, as required. · Use that exceeds the system’s design standards • Use that exceeds the system’s design standards See Also: 6.9 DEFECTIVE PLUMBING FIXTURES, APPLIANCES OR TRIM FITTINGS