Nobody wants their septic tank to back up. Regular septic cleaning and pumping is important to keep your ground and drinking water protected from harmful bacteria. The Environmental Protection Agency recommends septic system cleaning every three years. The national average cost for a septic tank specialist is $315. Costs for septic cleaning may vary based on where you live, how large your septic tank is, and how long it has been since the last cleaning. If it’s been many years since you’ve had your tank cleaned, the process of breaking up and removing the solids may take longer and could cost more. Typical residential septic tanks range in size from 1,000 to 2,500 gallons. The price range for septic cleaning usually averages $200-$500, with varying by tank size. Repairs or replacement parts will also add to your cost. To keep your septic tank in good health between cleanings, only flush approved items such as toilet paper, and don’t rely on your garbage disposal for composting. Items that don’t break down easily (like lemon rinds or feminine hygiene products) can back up the septic system, leading to clogs and overflow. If you smell the unmistakable odor of sewage or can see sewage bubbling up above your drain field, call for a septic cleaning immediately.