Broken, cracked or collapsed pipe — damaged pipes requiring repair or replacement.
Offset pipe — sewer pipes have become misaligned due to shifting soil, frozen ground, settling, etc.
Blockage — grease buildup or a foreign object is restricting or prohibiting proper flow and/or cleaning of the line.
Corrosion — the pipe has deteriorated and/or broken, causing sections to collapse and restrict water flow.
Bellied pipe — a section of the pipe has sunk due to ground or soil conditions, creating a valley that collects paper and waste.
Leaking joints — the seals between pipes have broken, allowing water to escape into the area surrounding the pipe.
Root infiltration — tree or shrub roots have invaded the sewer line, preventing normal cleaning and/or roots have damaged the pipe.
Off-grade pipe — existing pipes are constructed of substandard or outdated material that may have deteriorated or corroded.