average cost of septic pumping
1 On average, the price for septic tank pumping can range anywhere from $75 to $500 depending on the size of the tank and the job that it entails. 2  Larger septic tanks can cost anywhere from $200 to $500.3  These tanks will generally hold more than 1,500 gallons. Larger septic tanks can cost anywhere from $200 to $500. 2  These tanks will generally hold more than 1,500 gallons. 3  For example, the company The Laundry Alternative Inc. is a company that provides septic tank pumping services and they charge from $75 to $250.