Sewer Inspection in New Jersey

What Is a Sewer Scope Inspection?

A sewer scope inspection is a camera survey of your sewer line. The technician inserts a waterproof camera at a cleanout or other access point and drives it along the same path your wastewater travels: out of the foundation, down the sewer lateral, through the tap connection, toward the municipal main. Everything the lens passes is recorded — pipe material, joints, standing water, intrusions, and defects — with an on-screen footage counter marking the distance to each finding.

The camera also carries a transmitter. From the surface, a locator pinpoints the exact position and depth of anything the lens finds, which is what turns “there’s a problem somewhere in the yard” into “the problem is 43 feet out, 6 feet down, under the edge of the driveway.”

Homeowners typically request an inspection for recurring backups, slow drains across multiple fixtures, a real estate purchase, or simply because the house is old enough that the original pipe deserves a look.

For a deeper walkthrough of the process, see our sewer inspection guide.

What the Camera Finds: Seven Conditions Behind Nearly Every Sewer Failure

Most of the failures we diagnose across New Jersey start with the age of the pipe and the soil around it. Seven conditions account for nearly all of them — and each one has a distinct signature on camera. A sewer line camera inspection doesn’t just confirm that something is wrong; it identifies which of these conditions you have, how far it has progressed, and exactly where it sits in the line.

1. Root intrusion — on camera, roots appear as fine hairs reaching through a clay pipe joint, or as a full mat filling the channel where they have had years to grow. The footage counter tells us which joint they entered through — the difference between clearing roots again next year and sealing the entry point so they stop coming back.
2. Cracked or broken pipe — the lens picks up fracture lines, separated joints, and missing wall sections long before they announce themselves above ground. Caught as a hairline crack, the damage can be repaired in place; caught as a broken section, the conversation changes — which is exactly why the camera goes in first.
3. Corrosion and scale buildup — in cast iron, the camera shows a rough, narrowed channel where scale has built up on the walls. What the footage reveals about the remaining sound wall determines the fix: descaling if the metal underneath is healthy, lining if the wall needs reinforcement, replacement if it doesn’t.
4. Material fatigue — Orangeburg pipe, common in homes built before the 1970s, shows up on camera as an oval where a circle should be, often with the walls blistering inward. The camera measures how far the deformation has progressed — and whether there is still a passable route through the line.
5. Offset sewer line — an offset appears as a lip or step where two pipe sections no longer meet flush, shifted apart by freeze-thaw cycles and ground settlement. On video we can see how severe the misalignment is, whether waste is snagging on the edge, and whether water is escaping at the gap.
6. Belly in the sewer line — the camera dips below standing water where the pipe has lost its slope, then climbs back out where the grade recovers. The footage marks where the sag begins and ends, which tells us its length and depth — the facts that determine whether the section needs re-grading rather than lining.
7. Collapsed sewer line — the end state of every condition above when left long enough. On camera, a collapse is where the picture stops: the lens reaches crushed pipe and can go no further. The locator then marks the exact spot and depth from the surface, so the new path or new pipe starts from a known point instead of an exploratory dig.

Which condition you have — and how far it has progressed — is what the inspection is for. The camera picks the fix: every repair recommendation we make traces back to something you can see on the recording yourself.