Excavation Michel Plante inc.
Septic systemsWells and water pumps
Call · 819 296-3215Septic systems in Yamachiche
In Yamachiche, 4 companies are listed as active for septic system work in RBQ data dated November 3, 2026. 2 (50%) have held their licence for 10 years or more, the oldest since 1990; none got its licence in the last 90 days.
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Get my free quotes →Excavation Yvan Plante et Fils Inc.
Septic systemsWells and water pumps
Call · 819 296-3773Henri Bellemare & Fils Enr.
Septic systemsWells and water pumps
Call · 819 296-3956Les Entreprises Sylvain Trahan inc.
Septic systems
Call · 819 696-0915Ad · Featured placement · examplePreview only — this is not a contractor listing
Your business could appear hereSeptic systems · Yamachiche and the cities you serveHomeowners can open your profile and call you directly.
Other cities
Trois-Rivières 35Shawinigan 24La Tuque 6Saint-Boniface 6Saint-Tite 5Saint-Maurice 4Maskinongé 4Saint-Mathieu-du-Parc 4Sainte-Geneviève-de-Batiscan 3Notre-Dame-de-Montauban 3Saint-Élie-de-Caxton 3Wemotaci 3
Other trades in Yamachiche
Finding a septic system contractor in Yamachiche
Looking for a septic system contractor in Yamachiche? 1 of the 4 companies on the list work in this trade only; the others are also listed in other trades: wells and water pumps (3).
Yamachiche ranks 8th of 35 cities in the Mauricie region for this trade, with 3% of the region's 136 companies.
The choice is limited in Yamachiche. Companies from nearby cities in the region, such as Trois-Rivières (35), Shawinigan (24) and La Tuque (6), may also serve your area: ask them.
The RBQ numbers: septic systems in Yamachiche
4companies with an active licence
0new licences in 90 daysnone in the last 30 days
2have held their licence for 10 years or more50% · the oldest since 1990
1have a $40,000 licence bondand 3 at $20,000 · may compensate a client under RBQ rules
- All of them have a published phone number: you can call them directly.
- Most common subcategories: 2.4 On-site wastewater (septic) systems (4), 2.2 Non-drilled water catchment works (3), 1.4 Roads and pipelines (1).
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.
Homes in Yamachiche (2021 Census)
1,205households in a private dwelling
66%of dwellings built before 1981including 36% before 1961
70%of households own their home
73%of dwellings are single-detached houses
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 Yamachiche: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →