Mark Witty
Ontario Clean Water Agency/Operations Supervisor, Water and Wastewater
At a Glance
2025
Latest Salary
$112,5892025
Total Compensation
$112,783Incl. $194 benefits
Employer Rank
#285Ontario Clean Water Agency
Years on List
42022–2025
Salary History
Full History
2022–2025
| Year | Employer | Position | Salary | Benefits | Total |
|---|---|---|---|---|---|
| 2025 | Ontario Clean Water Agency | Operations Supervisor, Water and Wastewater | $112,589 | $194 | $112,783 |
| 2024 | Ontario Clean Water Agency | Operations Supervisor, Water and Wastewater | $126,150 | $185 | $126,335 |
| 2023 | Ontario Clean Water Agency / Agence ontarienne des eaux | — | $120,452 | $165 | $120,617 |
| 2022 | Ontario Clean Water Agency | Operations and Maintenance Team Lead | $112,612 | $158 | $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
- 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.