Excavation Stanley Mierzwinski Ltée
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 450 292-3635In Potton, 3 companies are listed as active for septic system work in RBQ data dated November 4, 2026. 2 (67%) have held their licence for 10 years or more, the oldest since 1985; none got its licence in the last 90 days.

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 450 292-3635Septic systemsWells and water pumps
Call · 450 292-3692Sherbrooke 54Granby 20Magog 9Shefford 7Lac-Brome 7Cowansville 6Sainte-Cécile-de-Milton 6Sutton 5Cookshire-Eaton 5Valcourt 4Saint-Claude 4Ascot Corner 4
Looking for a septic system contractor in Potton? All 3 companies on the list are also listed in other trades: wells and water pumps (3), renovation, construction and general work (2) and heating, ventilation and air conditioning (2).
Potton ranks 22nd of 72 cities in the Estrie region for this trade, with 1% of the region's 244 companies.
The choice is limited in Potton. Companies from nearby cities in the region, such as Sherbrooke (54), Granby (20) and Magog (9), may also serve your area: ask them.
Useful guides: Septic tank pumping: how often and what to check
Open data of the Régie du bâtiment du Québec as of November 4, 2026, updated every night.
Required licence, issuing body and subcategories for this trade: Septic systems in Greater Montréal.
Source: Statistics Canada, 2021 Census, table 98-10-0233-01 (25% sample, rounded counts), Statistics Canada Open Licence.
Before you sign with a septic system contractor in Potton: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →