Septic Inspections

Wellington Source Water Protection Septic Inspection Program 

There are close to 650 properties requiring mandatory septic inspections within Wellington County. This is an Ontario Provincial government requirement that is being delivered by Wellington Source Water Protection and your municipality to protect municipal water supplies. The municipality is required to complete the inspections by 2017.

Properties requiring a mandatory septic inspection within Wellington County will receive a letter from their municipality and Wellington Source Water Protection.

Example of septic system layout

Image from WSP septic social presentation


Why is my septic system being inspected?

One potential source of contamination to source water is septic systems. All properties with septic systems located within highly vulnerable municipal well head protection areas or intake protection zones are required to have their septic systems inspected every five years.

Your system is being inspected because your property is within the designated highly vulnerable area for your local municipal water supply well.  Since it is in this highly vulnerable area, it has a greater chance of affecting the water supply well if it is not functioning properly.  This is mandatory under the Ontario Building Code, the Clean Water Act and the watershed based Source Protection Plan.

Only those septic systems within well head protection areas or intake protection zones with a groundwater vulnerability score of 10 (red areas on maps) and an ‘issues contributing area’ for nitrates or pathogens require mandatory septic inspections.  An ‘issues contributing area’ is a well head protection area for a well that has contaminant already present in the municipal well (ie nitrate).

Common septic tank diagram

Image from ORWC & University of Guelph septic social presentation


Who will complete the inspection?

Depending on your municipality, it will either be municipal Building Department Officials or a consultant hired to complete the inspections.  The consultant hired is WSP Canada Inc. and will be completing inspections in Centre Wellington, Erin, Guelph / Eramosa, Puslinch and Wellington North.  All other Wellington County municipalities, currently, will be inspecting the septic systems with municipal staff.

Photos of septic tank access hatches

Photos from WSP and ORWC / University of Guelph septic social presentations


How do I schedule an inspection?

Centre Wellington, Erin, Puslinch, Guelph / Eramosa, Wellington North

Once residents have received their information package (from WSP) in the mail, please call WSP Canada. The information packages will be mailed in spring 2017 to remaining properties in the program.

Minto, Mapleton

If you have not yet received a letter from Wellington Source Water Protection and your municipality, wait until you receive a letter and your local building department will provide further details on how to schedule an inspection.

Information about the Wellington Septic Inspection Program:

Please note that the sample inspection report may be subject to change and is only applicable for the municipalities where WSP Canada Inc. is conducting septic inspections, on behalf of the municipality and Wellington Source Water Protection.


For Further Information: