Mark Witty
Ontario Clean Water Agency/Operations Supervisor, Water and Wastewater
2025 Salary
$112,589Total compensation $112,783, including $194 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
#285Ontario Clean Water Agency
Years on List
42022–2025
Peak Salary
$126,1502024
Full 2025 roster at Ontario Clean Water Agency →·See where $112,589 ranks →
Total Compensation History
Full History
2022–2025
$112,612 in 2022 is worth about $122,294 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Operations Supervisor, Water and WastewaterOntario Clean Water Agency | $112,589Benefits $194Total $112,783 |
| 2024 | Operations Supervisor, Water and WastewaterOntario Clean Water Agency | $126,150Benefits $185Total $126,335 |
| 2023 | Operations Supervisor, Water and Wastewater / Superviseur des opérations, eaux et eaux uséesOntario Clean Water Agency / Agence ontarienne des eaux | $120,452Benefits $165Total $120,617 |
| 2022 | Operations and Maintenance Team LeadOntario Clean Water Agency | $112,612Benefits $158Total $112,770 |
Take-Home Pay
(After Tax) · 2025 estimate
Take-home on Mark Witty's 2025 salary of $112,589 comes to roughly $82,511 once federal and Ontario income tax (about 21.8% effective) is deducted. Compared with 2024, when the figure was $126,150, that is a drop of about 11%. The 2025 median for Operations Supervisor Water Wastewater on the list was $112,289, almost exactly this figure. Pension contributions — likely PSPP or OPTrust in the Crown Agencies sector — would typically trim another 7–10% off that figure.
- Estimated net pay
- ~$82,511
- Effective income-tax rate (excl. CPP/EI)
- ~21.8%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~26.7%
- vs. 2025 Operations Supervisor Water Wastewater median
- about even
Where does $112,589 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.