Thank you for choosing System O)), a septic system that respects the environment and protects our waterways. We are proud to count you among our many customers in Quebec. 

You will find on this page all the information you need to ensure your septic system functions optimally and to comply with the requirements of the Quebec Ministry of the Environment.

The Monitoring Contract

A Monitoring Contract with DBO Expert includes the following:

  • an annual inspection,
  • report of said inspection sent directly to your municipality,
  • keeping a record of information about your installation and its annual inspections
  • our support over the entire year, without additional service charges,
  • as well as maintaining the 20-year warranty coverage on the Enviro))Septic pipes.

To comply with Ministry regulations, please download and complete the Monitoring Contract, then send it to your municipality and to .

Annual Fees

You will receive every year a bill for the annual fees related to the Monitoring Contract.

You can pay these fees, with your 8-digit client number, in the following ways:

  • By online banking, same as with your other bills, in many financial institutions;
  • By credit card with the button provided below;
  • by check or money order.

You can also complete the Pre Authorised Debit form so that the annual fees can be debited directly from your account, once the bill is sent to the contact information specified in the Monitoring Contract.

Simply send us the completed form to .

The User Guide: a must for all septic system owners

Current SystemO Owners 1

Your System O)) installation was designed to efficiently and ecologically treat wastewater from your isolated dwelling for several years. Certain instructions must however be respected to maintain its level of performance.

The User Guide explains the rules for use and monitoring that you must follow. It also mentions the owner’s responsibilities towards the requirements of applicable laws and regulations.

You may also read the Environment Ministry’s Best Practices Guide for owners of septic systems (French only).

Your brother, best friend or business colleague needs to choose among the septic systems on the market? If you refer them to us, the next year of your Monitoring Contract could be free!

Just fill in this form and, if your referral becomes our client, your next bill will be set to $0.

Current SystemO Owners 1

Referral Program


20-Year Warranty

The Advanced Enviro Septic pipes are guaranteed for 20 years by the manufacturer. In Quebec, your monitoring contract with DBO Expert allows you to maintain this guarantee.

Did you install a water softener?

You have a drinking water treatment device and you absolutely need to connect it to your System O)) septic system?

DBO Expert has established a list of criteria that could mitigate the impact of backwash on your septic system.

Share these criteria with your drinking water treatment device provider.

water Softner in Septic Systems

You have questions?
We have answers.

Take a look at our Frequently Asked Questions for more information.