Sebastien Mainville
$129,035.12asWater and Wastewater Manager / Gérant de l'eau et des eaux usées+25.75%
Employed by The Nation Municipality in 2025, according to Government of Ontario public salary records.
Position
Water and Wastewater Manager / Gérant de l'eau et des eaux usées
Employer
The Nation Municipality
Salary Information
Historical salary and taxable benefits from 2023 to 2025.
In 2025, Sebastien Mainville received a salary of $129,035.12 working as Water and Wastewater Manager / Gérant de l'eau et des eaux usées at The Nation Municipality, as disclosed on the Ontario Sunshine List. This represents a 25.75% increase over the previous year's reported salary. Sebastien Mainville has appeared on the Ontario Sunshine List 2 times between 2023 and 2025, with reported earnings peaking at $129,035.12 in 2025. In addition to salary, $503.29 in taxable benefits was disclosed for 2025. The Nation Municipality reports under the Municipalities & Services sector of Ontario's public sector salary disclosure.
Top earning Water and Wastewater Manager / Gérant de l'eau et des eaux uséess in The Nation Municipality
| Name | Salary |
|---|---|
| Sebastien Mainville | $129,035.12 |
Other employees at The Nation Municipality
| Name | Position | Salary |
|---|---|---|
| Marc Legault Director of Public Works / Directeur des travaux publics | Director of Public Works / Directeur des travaux publics | $157,859.66 |
| Nicholas Pigeon Director of water and wastewater /Directeur de l’eau et des eaux usées | Director of water and wastewater /Directeur de l’eau et des eaux usées | $149,827.45 |
| Nadia Knebel Treasurer / Trésorière | Treasurer / Trésorière | $137,806.11 |
| Daniel R Desforges Environmental Infrastructure Manage Health and Safety Coordinator/Gérant des infrastructures Environnementales et Coordinateur de la Santé et Sécurite | Environmental Infrastructure Manage Health and Safety Coordinator/Gérant des infrastructures Environnementales et Coordinateur de la Santé et Sécurite | $129,653.04 |
| Hugo Pouliot Deputy Director of Public Works / Directeur adjoint des travaux publics | Deputy Director of Public Works / Directeur adjoint des travaux publics | $129,035.12 |
| Marc Olivier Gratton Civil Engineer / Ingénieur civil | Civil Engineer / Ingénieur civil | $125,414.81 |
| Gabriel Gagne Lead Hand / Chef d'équipe | Lead Hand / Chef d'équipe | $123,838.25 |
| Todd Bayly Chief Building Official / Chef des bâtiments | Chief Building Official / Chef des bâtiments | $122,204.17 |
| Aimee Roy Clerk / Greffière | Clerk / Greffière | $114,659.69 |
| Justin Lafrance Director of Recreation / Directeur des loisirs | Director of Recreation / Directeur des loisirs | $112,554.99 |