Skip to content

David Thiffault

Regional Municipality of Peel/Supervisor Collection Wastewater

2025 Salary

$163,427

Total compensation $163,826, including $399 in taxable benefits.

Source: Ontario’s Public Sector Salary Disclosure — names paid $100,000 or more that year. How we build this · Report an error on this page

At a Glance
2025

Employer Rank

#287

Regional Municipality of Peel

Years on List

14

2012–2025

Peak Salary

$163,427

2025

Full 2025 roster at Regional Municipality of Peel →·See where $163,427 ranks →

Total Compensation History

Total compensation by yearLine chart of 14 yearly values of total compensation, from $101,061 in 2012 to $163,826 in 2025.$100K$120K$140K$160K$180K201220152017202020222025
Total compensation, 2012–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2012–2025

$100,764 in 2012 is worth about $135,953 in 2025 dollars.

Full salary history, by year
YearPositionSalary
2025Supervisor Collection WastewaterRegional Municipality Of Peel$163,427Benefits $399Total $163,826
2024Supervisor Wastewater CollectionRegional Municipality Of Peel$141,472Benefits $339Total $141,811
2023Supervisor Wastewater CollectionRegional Municipality Of Peel$137,483Benefits $392Total $137,875
2022Supervisor Wastewater CollectionRegional Municipality Of Peel$138,403Benefits $345Total $138,749
2021Supervisor Wastewater CollectionRegional Municipality Of Peel$145,084Benefits $342Total $145,426
2020Manager Wastewater Plant Operations and OptimizationRegional Municipality Of Peel$144,621Benefits $340Total $144,960
2019Manager Wastewater Plant Operations and OptimizationRegional Municipality Of Peel$128,598Benefits $319Total $128,916
2018Supervisor Wastewater CollectionRegional Municipality of Peel$123,347Benefits $308Total $123,655
2017Supervisor Wastewater CollectionRegional Municipality of Peel$114,076Benefits $326Total $114,402
2016Supervisor Wastewater CollectionRegional Municipality of Peel$112,298Benefits $431Total $112,728
2015Supervisor Wastewater CollectionRegional Municipality of Peel$103,554Benefits $358Total $103,912
2014Supervisor Wastewater CollectionRegional Municipality of Peel$110,662Benefits $348Total $111,010
2013Supervisor Wastewater CollectionRegional Municipality of Peel$101,117Benefits $355Total $101,471
2012Supervisor Wastewater CollectionRegional Municipality of Peel$100,764Benefits $296Total $101,061

Take-Home Pay
(After Tax) · 2025 estimate

David Thiffault was paid $163,427 in 2025; after income tax, CPP and EI that is roughly $111,275, an effective income-tax rate of about 28.5%. On total compensation of $163,826, David Thiffault ranked #287 of 2,780 disclosed at Regional Municipality of Peel that year, where the median salary was $125,752. Compared with 2024, when the figure was $141,472, that is a rise of about 16%. After pension contributions (probably OMERS in this sector), take-home is usually a further 7–10% lower.

Estimated net pay
~$111,275
Effective income-tax rate (excl. CPP/EI)
~28.5%
CPP + EI contributions
~$5,507
All-in deduction rate (incl. CPP/EI)
~31.9%

Where does $163,427 rank on the Sunshine List? →

Estimate only: 2025 federal and Ontario rates, basic personal amounts, Canada employment amount and CPP/EI credits; single, employment income only, salary treated as full-year income. Ignores pension contributions (OMERS, HOOPP, OTPP, OPTrust and similar plans lower actual take-home), union dues, RRSPs and benefits.

Also at Regional Municipality of Peel
2025

View all 2,780 employees at Regional Municipality of Peel (2025) →