Septic Installers in Thunder Bay (Installation & Replacement)

Groundhogs™ provides engineered septic system installation and replacement for Thunder Bay and Northwestern Ontario properties. We work across Shuniah, Rosslyn, Gorham, Nipigon, Oliver Paipoonge, and Murillo and build systems designed for clay soils, shallow bedrock, high water tables, and Ontario Building Code compliance.

Note: we do not offer septic tank pumping or cleaning.

1,200+ Northern Ontario Installs

Proven installs and replacements built for Northwestern Ontario conditions.

15+ Years Experience

Site-specific designs for clay, bedrock, high groundwater, and tight lots.

Licensed & Insured

OBC-focused planning, permits/inspections, and professional installation.

Services (Thunder Bay)

Guides to Help You Plan

Get a Quote

The fastest way to get accurate pricing is a site assessment. We'll confirm soil constraints, access, and the best design for your property.