Excavation Clément Duquette inc.
Septic systemsWells and water pumps
Call · 819 652-2451In Stornoway, one company is listed as active for septic system work in RBQ data dated November 3, 2026.

Septic systemsWells and water pumps
Call · 819 652-2451Ad · Featured placement · examplePreview only — this is not a contractor listing
Sherbrooke 54Granby 20Magog 9Shefford 7Lac-Brome 7Cowansville 6Sainte-Cécile-de-Milton 6Sutton 5Cookshire-Eaton 5Valcourt 4Saint-Claude 4Ascot Corner 4
In Stornoway, one company holds an active RBQ licence for septic system work, according to RBQ data dated November 3, 2026.
Stornoway ranks 59th of 72 cities in the Estrie region for this trade, with < 1% of the region's 244 companies.
The choice is limited in Stornoway. 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 3, 2026, updated every night.
Required licence, issuing body and subcategories for this trade: Septic systems in Greater Montréal.
Before you sign with a septic system contractor in Stornoway: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →