Derek Corfield
Regional Municipality of Niagara/Supervisory Control and Data Acquisition Technician
2025 Salary
$111,006Total compensation $111,479, including $473 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
#683Regional Municipality of Niagara
Years on List
32023–2025
Peak Salary
$111,0062025
Full 2025 roster at Regional Municipality of Niagara →·See where $111,006 ranks →
Total Compensation History
Full History
2023–2025
$104,676 in 2023 is worth about $109,407 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Supervisory Control and Data Acquisition TechnicianRegional Municipality Of Niagara | $111,006Benefits $473Total $111,479 |
| 2024 | TechnicianRegional Municipality Of Niagara | $107,465Benefits $650Total $108,115 |
| 2023 | TechnicianRegional Municipality Of Niagara | $104,676Benefits $856Total $105,532 |
Take-Home Pay
(After Tax) · 2025 estimate
Derek Corfield was paid $111,006 in 2025; after income tax, CPP and EI that is roughly $81,464, an effective income-tax rate of about 21.7%. It is up about 3% on the $107,465 paid in 2024. Derek Corfield has appeared on the list 3 times since 2023. Most Municipalities & Services employees belong to OMERS, so actual take-home is likely another 7–10% lower after pension contributions.
- Estimated net pay
- ~$81,464
- Effective income-tax rate (excl. CPP/EI)
- ~21.7%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~26.6%
Where does $111,006 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.