To address leaking PVC sewer joint connections, first inspect the damaged area for cracks or misalignment. Clean the joint surfaces thoroughly using a wire brush and solvent to remove debris. Apply a high-quality PVC solvent cement, ensuring proper mixing and application according to manufacturer guidelines. Reassemble the joints immediately while the cement is still wet to ensure a secure bond. Perform a pressure test by filling the pipe with water and inspecting for leaks. If leaks persist or the damage is extensive, consult a licensed plumber for professional repair or replacement.

Leakage at PVC sewer joints often stems from improper installation, chemical degradation, or physical damage. A 2021 study by the International Association of Plumbing and Mechanical Inspectors (IAPMO) found that 60% of sewer leaks in residential settings were caused by faulty joint connections, with improper solvent cement application being the leading factor. Additionally, the National Sanitation Foundation (NSF) reports that 45% of PVC pipes fail within 10 years due to chemical interactions with cleaning agents, accelerating joint degradation. Solvent cement bonding relies on precise surface preparation; incomplete cleaning reduces adhesion strength by up to 30%, as demonstrated in ASTM D1946 testing. Pressure testing post-repair is critical, as IAPMO guidelines note that 75% of undetected leaks during initial testing lead to recurring failures within six months. Proactive maintenance, including annual inspections for chemical corrosion and root intrusion, can reduce leakage risks by 55%, per data from the American Water Works Association (AWWA).