Bristol Terryville Septic and Sewer has provided over 35 years of service to parts of Litchfield, Hartford and New Haven Counties for both residential and corporate properties. Septic Tank Pumping - gurgling in the toilet, issues with flushing, septic backup, clogged outlet filter, regular maintenance every 2-5 years depending on septic tank size and usage Septic Pump Chamber Service - when septic pump chamber alarm is triggered, don't just shut the alarm off, call BTSSS and schedule your pump chamber service today!