Monika Kowalska
Ontario Clean Water Agency/Operations Supervisor, Water and Wastewater
2025 Salary
$110,171Total compensation $110,354, including $184 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
#304Ontario Clean Water Agency
Years on List
22024–2025
Peak Salary
$114,1552024
Full 2025 roster at Ontario Clean Water Agency →·See where $110,171 ranks →
Total Compensation History
Full History
2024–2025
$114,155 in 2024 is worth about $116,496 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Operations Supervisor, Water and WastewaterOntario Clean Water Agency | $110,171Benefits $184Total $110,354 |
| 2024 | Operations Supervisor, Water and WastewaterOntario Clean Water Agency | $114,155Benefits $173Total $114,328 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, Monika Kowalska's $110,171 salary works out to roughly $80,913 after income tax, CPP and EI — an all-in deduction rate of about 26.6%. It is down about 3% from the $114,155 paid in 2024. Records under this name have appeared on the Sunshine List 2 years in all, first in 2024. Pension contributions — likely PSPP or OPTrust in the Crown Agencies sector — would typically trim another 7–10% off that figure.
- Estimated net pay
- ~$80,913
- Effective income-tax rate (excl. CPP/EI)
- ~21.6%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~26.6%
- vs. 2025 Operations Supervisor Water Wastewater median
- −2%
Where does $110,171 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.