At Bionest, septic system maintenance is carried out by trained and certified technicians who are well-versed in the procedures specific to various treatment technologies. During each visit, they perform detailed inspections, assess the condition of system components, and ensure that everything is operating in compliance with regulatory requirements. They can also advise you on best practices to help extend the life of your system.

Residential Maintenance and Services – Quebec, Canada
A trusted ally, always there for you

Residential Maintenance and Service
Annual Maintenance
Annual maintenance takes place once or twice a year, depending on your system. Our technicians perform thorough inspections and performance tests on the system’s components to ensure it continues to meet the required performance standards. For tertiary systems with UV disinfection, two service visits are scheduled each year.

Residential Maintenance and Services
Advanced Secondary Treatment
The contract includes a comprehensive inspection of all components in the treatment chain, including the primary reactor, the Bionest reactor, and their respective elements. Photos are taken, and the proper discharge of treated water is verified. The technician also ensures the aerator is functioning correctly and cleans the pre-filter. A maintenance report is provided to the owner and kept for regulatory compliance purposes. All data is recorded in real time, and technician travel is included.

Residential Maintenance and Services
Tertiary Treatment
The contract includes two inspections per year. In addition to the checks performed for an advanced secondary system, maintenance includes inspection of the BIO-UV unit, cleaning of the sleeve and UV lamp, and their replacement during the annual inspection. A water sample is collected and analyzed, and a report is prepared. The report is sent via the client portal.


Residential Maintenance and Services
Maintenance for Other Technologies
We offer professional maintenance services for various wastewater treatment technologies, compliant with Quebec regulations. Performed by trained and qualified technicians, our interventions aim to ensure systems operate properly at all times while simplifying owners’ obligations.

What You Should Know About Septic System Maintenance
Q-2, r. 22 is the Quebec regulation governing the discharge and treatment of wastewater from isolated residences. It is based on the Environment Quality Act and is administered by the Ministry of Environment, Fight Against Climate Change, Wildlife and Parks (MELCCFP) ([resource link]). This regulation sets the standards for the design, installation, maintenance, and compliance of wastewater treatment systems for homes not connected to a municipal sewer network.
Quebec regulations require that the system owner maintain an active contract at all times with the system manufacturer, their representative, or a qualified third party to ensure proper and compliant monitoring of the wastewater treatment system. The Bionest contract is automatically renewed each year and invoiced only after maintenance work has been completed on-site.
The total maintenance cost may vary depending on the type of system, necessary repairs, or if your residence is located in a remote area. Our services, across all technologies, start at $146.75.