Darren Mahlman
Ontario Clean Water Agency/Operations Supervisor, Water and Wastewater
At a Glance
2025
Latest Salary
$257,9342025
Total Compensation
$258,123Incl. $190 benefits
Employer Rank
#3Ontario Clean Water Agency
Years on List
92016–2025
Salary History
Full History
2016–2025
| Year | Employer | Position | Salary | Benefits | Total |
|---|---|---|---|---|---|
| 2025 | Ontario Clean Water Agency | Operations Supervisor, Water and Wastewater | $257,934 | $190 | $258,123 |
| 2024 | Ontario Clean Water Agency | Operations Supervisor, Water and Wastewater | $247,069 | $181 | $247,249 |
| 2023 | Ontario Clean Water Agency / Agence ontarienne des eaux | — | $166,144 | $164 | $166,307 |
| 2022 | Ontario Clean Water Agency | Operations and Maintenance Team Lead | $137,118 | $158 | $137,275 |
| 2021 | Ontario Clean Water Agency | Operations and Maintenance Team Lead | $131,212 | $156 | $131,367 |
| 2020 | Ontario Clean Water Agency | Operations and Maintenance Team Lead | $129,105 | $153 | $129,258 |
| 2019 | Ontario Clean Water Agency | Operations and Maintenance Team Lead | $119,910 | $154 | $120,064 |
| 2018 | Ontario Clean Water Agency | Operations and Maintenance Team Lead | $112,510 | $165 | $112,675 |
| 2016 | Ontario Clean Water Agency | Operations and Maintenance Team Lead, opérations et entretien | $101,297 | $149 | $101,447 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, Darren Mahlman's $257,934 salary works out to roughly $159,819 after income tax, CPP and EI — an effective rate of about 35.9%. Compared with 2024, when the figure was $247,069, that is a rise of about 4%. The name has been on the Sunshine List 9 years in all, first in 2016. Pension contributions — likely PSPP or OPTrust in the Crown Agencies sector — would typically trim another 7–10% off that figure.
- Estimated net pay
- ~$159,819
- Effective income-tax rate (excl. CPP/EI)
- ~35.9%
- CPP + EI contributions
- ~$5,507
- vs. 2025 Operations Supervisor Water Wastewater median
- +130%
Where does $257,934 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.