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A septic system holds and treats the waste from your house in a buried tank, then lets the treated water soak out through a drain field. Over time solids build up in the tank and have to be pumped out, and the parts that move water can clog, crack, or wear. This work covers pumping the tank, inspecting what is going on inside it, repairing the tank or its lines, and dealing with a drain field that is no longer taking water.
Acadiana is hard on a septic system, and most of it comes down to water. The clay soil around Lafayette, Broussard, and Youngsville drains slowly to begin with, so a drain field that would breathe easy in sandy ground stays soggy here. Add a heavy spring rain or a stalled tropical system and the water table can rise right up to the field, which means the ground has nowhere to send your treated water and it backs up toward the house. Low lots in Scott, Duson, and out toward Milton feel this first. A system that seems fine in a dry October can fail in a wet June, so timing matters, and it is worth getting a tank pumped and looked at before hurricane season rather than during it.
You can and should do the small things yourself. Keep a rough record of when the tank was pumped, watch for the warning signs above, avoid parking or building over the tank and field, and keep wipes, grease, and harsh chemicals out of the system. What you should not do is open and enter a septic tank. The gases inside can knock a person out in seconds and have killed people, so pumping, inspection, and any repair belong to someone with the equipment and the truck to haul the waste. Diagnosing whether it is the tank or the drain field also takes experience, and guessing wrong can turn a pump job into a dig.
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Ratings and review counts come from Google and were pulled on 15 August 2026. Businesses are listed because they serve Lafayette, not because they paid: nobody on this page has bought their position, and we have not inspected anyone's work. Call and ask for references the same way you would anyway.
It depends on the size of the tank and how many people live in the house, but many systems need pumping every few years. The honest answer is that an inspection tells you where yours stands. If you have no record of it ever being done, that is a good reason to have it checked.
If only one fixture is slow, it is usually a clog in that line. If everything in the house is slow or backing up at once, that points at the tank or the drain field. A backup in the lowest drain, like a downstairs tub or floor drain, especially after heavy rain, leans toward the septic system.
It usually means the field is not absorbing the treated water the way it should, either because the tank is overfull and pushing solids into it or because the field itself is failing. In our wet Acadiana clay a high water table after heavy rain can make it worse. Have it inspected before assuming the whole field needs replacing, since a bad tank can be the real cause.
Yes. When the ground around Lafayette gets saturated and the water table rises, the drain field has nowhere to send water, so it can back up toward the house even if nothing is broken. Going easy on water use during a wet stretch helps, and getting the tank pumped before storm season is smart.
Gerry is an A.I. assistant. He can point you at a trade and take your details, and a person handles the work.