How Does a Septic System Work?
Wastewater flows from the house into a buried tank. Solids settle, grease floats, and the partly cleaned liquid moves into a drain field where the soil filters and absorbs it.
Step 1: The Septic Tank
The tank holds wastewater long enough for heavy solids to sink as sludge and fats to rise as scum. Bacteria break down some of the solids. Baffles or tees keep sludge and scum inside.
Step 2: The Drain Field
Clear liquid called effluent leaves the tank and spreads through buried pipes or chambers. The soil removes many germs and nutrients as the water soaks down.
How Aerobic Systems Differ
Aerobic treatment units pump air into the wastewater so oxygen-loving bacteria can treat it more fully. The treated water is often disinfected and sprayed over the lawn. These systems are common where soil drains poorly.
- Air compressor or aerator
- Treatment and clarifier chambers
- Chlorinator or other disinfection
- Pump tank and spray heads
- Alarm panel
Why Soil Matters in East Texas
Heavy clay soaks up water slowly. That is why many local properties use aerobic or engineered systems instead of a standard drain field.
What Keeps It Working
Regular pumping, sensible water use and keeping harmful items out of drains protect every part of the system.
Ready for help? We can have your system checked anywhere in the Tyler area.
Common Questions
Does a septic system need electricity?
Conventional gravity systems usually do not. Aerobic systems and pump systems do.
Where does the water go?
Into the soil through the drain field, or onto the lawn through spray heads for aerobic systems.
Is septic worse than city sewer?
Not when it is designed for the site and maintained properly.