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NYC Plumbing Code

§ 305.4.1 — § 305.4.1

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What is NYC PC § 305.4.1?

Quick Answer

This section establishes the minimum depth requirements for building drains and sewers that connect to private sewage disposal systems. Specifically, it mandates that these systems must be installed at least 36 inches below finished grade at the septic tank connection point. Applies to building owners with private sewage systems.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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305.4.1 Building sewer and building drain depth.

PC § 305.4.1

Building drains that connect to private sewage disposal systems shall be a minimum of 36 inches (914 mm) below finished grade at the point of septic tank connection. Building sewers and drains shall be a minimum of 36 inches (914 mm) below grade.

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