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Septic Systems

How Does a Septic System Work? A Plain-English Guide

October 14, 2026October 14, 2026
Cutaway illustration of a house, a buried septic tank and a drain field of perforated pipes in gravel trenches over groundwater

A septic system is a small buried treatment plant for your home. Here is how the tank and drainfield work together, and what keeps them healthy.

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General information only, not professional advice. Septic, well and electrical work belongs to licensed professionals.

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