WHO WE ARE
Established in 1989, Deson Construction Limited provides residential and commercial excavation and septic services. We are a fully licensed septic contractor under MMAH and provide design, installation, and maintenance services for septic systems. We are a long standing member of the Ontario Onsite Wastewater Association, and we strive to explore and utilize new technologies and processes in the wastewater industry to bring our clients the best solutions for their septic requirements.
SERVICES WE OFFER
SEPTIC & EXCAVATION
ADVANCED TREATMENT SYSTEMS
SEPTIC & EXCAVATION
For all of your septic and earthwork needs, turn to us as a full-service contractor
- Commercial and Residential
- Septic Inspections & Certifications
- Septic Design Services
- Conventional Septic System Construction
- Advanced Treatment System Construction
- Basement Excavation and Back Fill
- Driveway Installation
- Retaining Walls
- Underground Utility - Hydro
For all of your septic and earthwork needs, turn to us as a full-service contractor
- Commercial and Residential
- Septic Inspections & Certifications
- Septic Design Services
- Conventional Septic System Construction
- Advanced Treatment System Construction
- Basement Excavation and Back Fill
- Driveway Installation
- Retaining Walls
- Underground Utility - Hydro, Waterlines
- Concrete Removal
- Sewer and Watermain Installation
WASTEWATER SYSTEMS
ADVANCED TREATMENT SYSTEMS
SEPTIC & EXCAVATION
We're passionate about wastewater, so you don't have to be
- Septic System Inspections
- Leach Field Replacements
- Septic Tank Repair and Replacement
- Septic System Design
- Septic System Construction
ADVANCED TREATMENT SYSTEMS
ADVANCED TREATMENT SYSTEMS
ADVANCED TREATMENT SYSTEMS
We offer alternative treatment unit systems to help you save water, energy, and money while getting superior results
- Certified Waterloo Biofilter Installer
- Certified Eljen Installer
- Certified Enviro Septic Installer
- Certified Bionest Installer
- Certified Infiltrator Installer