All Clear Septic and Wastewater Services All Clear Septic and Wastewater Services have septic pumping and cleaning appointments for customers in Acushnet, Mattapoisett, Marion, Rochester, Bourne, and Carver, MA.  Keeping your septic system well maintained with regular pumping and cleaning, will ensure that it continues to operate correctly and reduce the likelihood of costly repairs.  Septic systems should be pumped approximately every three years, but the time needed between septic pump outs will vary depending on a variety of factors, including tank size, water usage and the number of people using the system.  If you are unsure, have questions, or wish to schedule septic cleaning or pumping, please do contact our office at 508-763-4431 or visit