FAQ

Common causes include overloading the system, failing to pump regularly, tree root intrusion, compacted drainfields, or flushing harmful materials. Most failures are preventable with good care and awareness.

In most areas, no. Local regulations usually require a licensed professional to design and install the system according to code. Improper installation can cause health hazards, fines, and early system failure.  

It depends on your tank size, location, and accessibility, but you can expect a few hundred dollars. It’s a small price compared to the thousands you’d spend fixing a failed system.

Permits are generally required for new installations and major repairs. Local health departments or environmental agencies set the rules. A licensed contractor will know what's needed and handle the paperwork for you.

Minor damage like broken lids or baffles can usually be repaired. Full replacements are only necessary when the tank is structurally compromised or if the drainfield has failed beyond repair.

The inspector checks the tank’s structure, measures sludge and scum layers, evaluates the baffles, and tests flow to the drainfield. It gives buyers peace of mind and helps sellers avoid surprises during closing.

Enzyme or bacterial additives can support your system but aren’t mandatory with proper maintenance. Overuse or choosing the wrong product can actually harm beneficial bacteria. Ask a technician before using any treatment.

Yes. Too much water can saturate the soil around your drainfield and make it hard for wastewater to absorb properly. That can cause slow drains, backups, or raw sewage in the yard. Proper grading and gutters can help divert rainwater away.

Spread out laundry loads, use water-saving toilets and showerheads, and repair leaks quickly. Avoid pouring grease, paint, or bleach down the drain. The less stress you place on the system, the fewer problems you’ll face.

Yes. Aerobic systems rely on oxygen and use mechanical parts like pumps, timers, and alarms. They need more frequent inspections, usually every six months, and must stay powered and balanced to work correctly.  

Pumping is about removing solid waste from the tank. An inspection looks deeper and checks tank condition, lid integrity, baffle function, sludge levels, and drainfield health. If you're buying or selling a home, you’ll need an inspection, not just a pump.

Stick to grass or shallow-rooted plants. Tree and shrub roots will seek out moisture and can crack or clog the pipes. Raised beds and vegetable gardens aren’t ideal either because they can disturb the soil and reduce absorption.

A well-maintained system can last 25 to 40 years. The lifespan depends on material quality, proper use, and regular service. The drainfield often gives out before the tank does, especially if overloaded or poorly installed.

The drainfield is where filtered wastewater gets absorbed into the soil. It’s a critical part of your system, and if it becomes compacted or clogged, the entire system can fail. Keep it clear of heavy structures, trees, and standing water.

Yes, a disposal introduces more solids and fats into the system. If you use one regularly, your tank may need to be pumped more often. It’s better to compost food scraps or toss them out, especially if you want your system to last longer.

Never flush wipes, even “flushable” ones, paper towels, dental floss, feminine products, grease, or harsh chemicals. These don’t break down well and can clog or disrupt your system. When in doubt, throw it out instead.

Yes, especially in colder climates. Pipes and tank components near the surface are vulnerable to freezing. Keep the area covered with grass, mulch, or insulation, and avoid compacting the soil, which can reduce its ability to retain heat.

No, it's a bad idea. The weight of vehicles can crack pipes or even collapse the tank. Repeated pressure weakens the soil structure and increases the risk of failure in the tank and the drainfield.

If you don’t have a system map, look for clues like greener grass or raised soil. A technician can also use locating tools or a soil probe to pinpoint your tank’s location. Avoid digging randomly. It’s safer and faster to let a pro handle it.

Yes. Even if you only use septic-safe toilet paper, other factors can cause issues. Things like grease, food scraps, or “flushable” wipes can build up and reduce efficiency. Good habits and regular pumping are still important.

Most homes should have their septic tank pumped every three to five years. That timeline can vary depending on your household size, how much water you use, and how careful you are with what goes down the drains. Regular pumping helps prevent backups and extends the life of your system.

A septic system handles household wastewater in places that aren't connected to city sewer lines. Wastewater flows from your home into a buried tank, where solids settle, and scum rises. The remaining liquid then filters out into the drainfield, where natural processes break down contaminants.