Can a Broken Sewer Line Be Repaired Without Digging?

How Trenchless Sewer Repair Works

In many cases, a broken sewer line can be repaired without traditional excavation thanks to modern trenchless sewer repair technology. These methods allow plumbers to fix underground sewer lines while preserving landscaping, sidewalks, and driveways.

The process typically begins with a sewer camera inspection, which allows a professional to see the condition of the pipe from the inside and determine the best repair approach. Depending on the extent of the damage, one of two trenchless methods may be recommended:

• Pipe lining (CIPP): A resin-coated liner is inserted into the existing pipe and cured in place, forming a new pipe within the old one.
• Pipe bursting: The damaged pipe is fractured and replaced with a new, durable pipe along the same path — without extensive digging.

Trenchless sewer repair is often faster, less disruptive, and more cost-effective than traditional excavation, but it isn’t the right solution in every situation. Severely collapsed pipes or complex sewer layouts may still require conventional repair methods.

For homeowners in Spokane and Northern Idaho, Mainstream Electric, Heating, Cooling & Plumbing starts with accurate diagnostics and recommends the least invasive option whenever possible. With advanced inspection tools and experienced technicians, Mainstream focuses on long-term solutions that protect your home and property — not unnecessary digging.