Several factors can cause a leaking sewer line, and addressing the issue promptly is crucial to prevent further damage and health hazards. Common causes of sewer line leaks include:
Age and deterioration: Over time, sewer lines can deteriorate due to age, corrosion, or wear and tear. Older pipes made of materials like cast iron or clay are particularly prone to cracking or breaking.
Tree root intrusion: Tree roots seeking moisture can infiltrate sewer pipes through small cracks or joints, leading to blockages and leaks. As the roots grow, they can cause significant damage to the pipe walls.
Ground shifting: Shifting soil or ground movement can put pressure on sewer lines, leading to misalignment, cracks, or breaks.
Clogs and obstructions: Buildup of grease, debris, or foreign objects in the sewer line can cause blockages and put pressure on the pipe walls, leading to leaks or bursts.
Extreme temperature changes: Freezing and thawing cycles can cause pipes to expand and contract, weakening the integrity of the sewer line and potentially causing leaks.
If you suspect a leaking sewer line, it's essential to contact a professional plumber who can perform a thorough inspection, identify the cause of the leak, and recommend appropriate repairs or replacements to prevent further damage.