Professional septic systems across the GTA.
From new construction septic installations to failing system replacements, Poseidon handles the entire process: soil testing, system design, permit applications, excavation, tank and bed installation, inspections, and final grading. BCIN licensed under MMAH regulations.
We serve both rural and suburban properties across the GTA and beyond. Every system is designed to meet Ontario Building Code Part 8 requirements and local conservation authority regulations. Our crew handles everything — you deal with one contractor from first shovel to final inspection.
New System Design & Install
Complete septic system from soil test to final grade. Conventional, raised bed, and engineered systems.
System Replacement
Failed or aging systems removed and replaced with modern, code-compliant installations.
Septic Repairs
Tank repairs, distribution box replacement, leaching bed restoration, baffle repair.
Holding Tanks
Where conventional systems aren't feasible. Proper sizing, installation, and permitting.
Permit Management
We handle all OBC Part 8 permit applications, conservation authority approvals, and inspections.