William Van Koppen
City of Ottawa/Supervisor, Water Services Maintenance
2025 Salary
$121,602Total compensation $121,642, including $41 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
#2,302City of Ottawa
Years on List
62020–2025
Peak Salary
$121,6022025
Full 2025 roster at City of Ottawa →·See where $121,602 ranks →
Total Compensation History
Full History
2020–2025
$100,333 in 2020 is worth about $120,253 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Supervisor, Water Services MaintenanceCity Of Ottawa | $121,602Benefits $41Total $121,642 |
| 2024 | Supervisor, Water Services MaintenanceCity Of Ottawa | $116,992Benefits $41Total $117,033 |
| 2023 | Supervisor, Water Services MaintenanceCity Of Ottawa | $110,761Benefits $43Total $110,804 |
| 2022 | Supervisory Control and Data Acquisition Systems TechnologistCity Of Ottawa | $104,590Benefits $45Total $104,634 |
| 2021 | Supervisory Control and Data Acquisition Maintenance LeadCity Of Ottawa | $105,200Benefits $59Total $105,259 |
| 2020 | Supervisory Control and Data Acquisition Maintenance LeadCity Of Ottawa | $100,333Benefits $345Total $100,678 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, William Van Koppen's $121,602 salary works out to roughly $87,798 after income tax, CPP and EI — an all-in deduction rate of about 27.8%. On total compensation of $121,642, William Van Koppen ranked #2,302 of 5,181 disclosed at City of Ottawa that year, where the median salary was $117,638. William Van Koppen has appeared on the list 6 times since 2020. After pension contributions (probably OMERS in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$87,798
- Effective income-tax rate (excl. CPP/EI)
- ~23.3%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~27.8%
Where does $121,602 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.