What’s Really Happening Underground in Lilburn Neighborhoods?
Beneath the lawns, driveways, and garden beds of Lilburn, a quiet network of pipes and tanks is working around the clock. Every shower you take, every load of laundry you run, and every time you flush the toilet, wastewater leaves your home and enters a hidden system most people rarely think about. Yet this underground infrastructure has a huge impact on property value, neighborhood health, and the environment. In many Lilburn neighborhoods that are not tied into municipal sewer lines, that hidden system is a septic setup. Understanding how it works—and what can go wrong—helps homeowners make smarter decisions about maintenance and long‑term care. How a Typical Septic System Works A standard septic system has two main parts: the septic tank and the drain field (also called a leach field). Septic tank: Wastewater from your house flows into a buried tank made of concrete, fiberglass, or plastic. Inside, heavier solids settle to the bottom as sludge, lighter oils and grease float to the t...