Muskoka Septic Systems Made to Order. Designed for Your Needs.

Coulson Bros has over 50 years experience of septic design and installation throughout Muskoka. We design and install everything from simple septic systems to large complex tertiary treatment systems. We use multiple treatment products and technologies, applying only the most appropriate system for each client’s property based on their specific requirements and budget.

Whether you are moving it, digging it, repairing it, or installing it, if the job involves your Muskoka water access septic system, Coulson Bros. team of septic system experts can get the job done. More than just septic system experts, Coulson Bros. is a full service Muskoka Lakes company.

Septic services performed only by certified professionals.

Installation of a Waterloo Biofilter on a Muskoka Lakes island

Coulson Bros can design and permit your future septic system