WOSSA Septic Installer Test 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 415

What does a building sewer refer to?

The part of piping within the building

The part of the drainage that begins 2 feet outside the building

A building sewer specifically refers to the portion of the drainage system that extends from the foundation of a building to the point where it connects with the public sewer or a private septic system. This includes the section starting typically around two feet outside the building, which allows for the transport of wastewater from the building’s plumbing to the treatment system. Understanding this definition is crucial for anyone involved in septic installation or maintenance, as it delineates where the responsibilities for different aspects of sewage handling begin and end. The building sewer plays a key role in ensuring that waste is effectively channeled away from the premises, thus maintaining health and environmental standards.

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A connection to the municipal sewer

The section of the drainage before the septic tank

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