Septic System Design, Inspections & Repairs You Can Count On

Based in Brechin, serving Simcoe, Muskoka & Kawartha Lakes Areas in Ontario

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Professionally Qualified & Registered

We specialize in septic system design, permitting, & repairs, ensuring compliance with Ontario's building codes.

With years of precision experience and the right qualifications, Bob Cowie Construction takes the guesswork and stress out of your septic system needs. Our hands-on approach guarantees efficient solutions tailored to your property's needs.

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Our Septic Services:

Septic Design & Permits

Septic Design & Permits

System Evaluations

System Evaluations

Inspections & Alarm Response

Inspections & Alarm Response

Custom Control Panels & Repairs

Custom Control Panels & Repairs

We’re Your Go-To Septic Partner

Bob Cowie Construction is your trusted partner for expert septic system support, offering certified design and inspection services across the construction and property sectors.


From installers and architects to builders and homeowners, we streamline the permit and maintenance process so you can focus on the project, not the paperwork.

About Bob

With over 20 years of combined experience in aviation maintenance and construction, Bob Cowie delivers precision, reliability, and hands-on expertise to every septic project.


As a Licensed Aircraft Maintenance Engineer and certified septic system designer and installer, Bob ensures every system meets Ontario’s highest standards for safety and compliance.


Bob Cowie credentials are fully verifiable through Ontario’s QuARTS Public Search Registry.

ABOUT BOB

Let’s Talk Septic

Whether you’re designing a new system, troubleshooting an old one, or preparing for a home sale — we can help.

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