How Often Should You Pump a Septic Tank? Signs It's Time
Most household septic tanks need pumping every 3 to 5 years. Here are the warning signs, what affects the schedule and why it matters before a remodel.
A septic system works quietly until it doesn't. Pumping on schedule is cheap insurance against a backup in the house or a failed drainfield.
The general schedule
The U.S. EPA says most household septic tanks should be pumped every 3 to 5 years and the system inspected about every 3 years. Your schedule depends on:
- Household size: more people, more wastewater
- Tank size
- Water use: laundry, long showers, guests
- Garbage disposal use: it adds solids fast
Warning signs your tank is due
- Slow drains throughout the house
- Gurgling in pipes or toilets
- Sewage odors inside or near the tank
- Wet, spongy or unusually green grass over the drainfield
- Water or sewage backing up into tubs, showers or floor drains
If you see a backup, cut water use right away and call to have the tank pumped.
Before a remodel, addition or sale
- Adding a bathroom or bedroom? More fixtures and more people put more load on the system. Pump and inspect before the project.
- Buying or selling? Records of recent pumping help the sale and protect the buyer.
- Heavy equipment on site? Keep dumpsters, trucks and material deliveries off the tank and drainfield. The weight can crack lids and crush lines. Mark the area before delivery day.
Habits that extend the time between pumpings
- Spread laundry across the week instead of one big day.
- Fix leaking toilets and faucets.
- Keep grease, wipes, paper towels and chemicals out of the drains.
- Use the garbage disposal sparingly.
Septic service across seven parishes
We pump and service septic systems for homes and job sites, quoted up front before anything is scheduled. See septic pumping.
Planning a job in Greater New Orleans? Call (504) 287-2348 or get a quote. We confirm the size, the placement and the price before anything is scheduled.
Frequently asked questions
How often should a septic tank be pumped?
The EPA says most household septic tanks should be pumped every 3 to 5 years, with an inspection about every 3 years.
What are the signs a septic tank is full?
Slow drains, gurgling pipes, sewage odors, wet or very green grass over the drainfield and backups into tubs or floor drains.
Can a dumpster sit on a septic drainfield?
No. Keep dumpsters, trucks and heavy deliveries off the tank and drainfield so you don't crack the lid or crush the lines.