Bill Sima

Tolland Septic Service

Bill Sima is the Owner and Operator of Tolland Septic Service. With over two decades of hands-on field experience, Bill specializes in septic system design, full installations, comprehensive repairs, and ongoing maintenance.



As a licensed professional, Bill brings technical skill to designing custom septic solutions tailored for property owners facing difficult site conditions or non-compliant environmental factors. Under his direct leadership, Tolland Septic Service delivers compliant and durable wastewater management solutions across Connecticut.


Education & Licensure


  • Subsurface Sewage Installer License: State License #: 006283


Previous Experience & Career History


Bill brings over 20 years of hands-on industry experience to every project. Throughout his two decades serving local property owners, he has developed a deep understanding of subsurface sewage systems, local health codes, and complex wastewater mechanics.


Highlights of Current Work


At Tolland Septic Service, Bill remains actively involved in daily operations:


  • Custom Non-Compliant Engineering: Specializing in designing septic systems that work around non-compliant site conditions.
  • Comprehensive Service Oversight: Managing wastewater care, including routine maintenance, system design, repairs, and installations.
  • Direct Leadership: Providing owner-operator oversight on every job site.


Areas of Expertise


  • Septic System Service: Routine maintenance and system diagnostics.
  • Septic System Design: Engineered layout solutions for non-compliant and challenging site conditions.
  • Septic Installation & Repair: Full replacement, new construction installs, and structural system repairs.


To get started with Bill Sima and his excellent team, give us a call today. We look forward to showing you the Tolland Septic Service difference!