MASSTC is the nation’s leading third-party testing and research facility for innovative/alternative (I/A) onsite septic treatment technologies. PRODUCT TESTING Since 1999, MASSTC has provided space for technologists to do cutting edge work in wastewater RESEARCH MASSTC is a leader in wastewater research on topics ranging from wetlands to nutrient and virus removal. COMPLIANCE Barnstable County's Innovative/Alternative Septic System Tracking Program is one of the best in the world. EDUCATION & OUTREACH Want to better understand how an I/A system can be part of a holistic wastewater design for a town? Book a Tour.