Excavation contractor EST in 1989, Deson Construction Limited provides residential and commercial excavation and septic installation services. We are a fully licensed Septic Contractor under MMAH and provide design, installation and maintenance services for septic systems. We belong to 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.

SEPTIC SYSTEMS: DESIGN SERVICES include a site visit by our professional septic contractor. Preparation of an evaluation report with analysis of site to meet building code regulations and facilitate permit application process. INSTALLATION SERVICES include repairs or remediation to existing systems, replacement of failed systems and new installs including advanced treatment systems. INSPECTION & MAINTENANCE SERVICES include site visit and examination to determine operation level of existing septic system . We will also perform maintenance including testing and sampling as required by municipalities. EXCAVATION SERVICES: Deson Construction Limited is an experienced excavation contractor equipped to handle commercial, institutional and private construction more... See more text