James Martherus
Environment, Conservation and Parks/Manager, Biomonitoring and Inland Waters
2024 Salary — last year on the list
$139,813Total compensation $139,977, including $164 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
2024
Employer Rank
#104Environment, Conservation and Parks
Years on List
82017–2024
Peak Salary
$139,8132024
Full 2024 roster at Environment, Conservation and Parks →·See where $139,813 ranks →
Total Compensation History
Full History
2017–2024
$107,856 in 2017 is worth about $135,813 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2024 | Manager, Biomonitoring and Inland WatersEnvironment, Conservation and Parks | $139,813 |
| 2023 | Manager, Biomonitoring and Inland Waters / Chef, Section de la surveillance biologique et des eaux intérieuresEnvironment, Conservation and Parks / Environnement, de la Protection de la nature et des Parcs | $122,650 |
| 2022 | Manager, Biomonitoring and Inland WatersEnvironment, Conservation and Parks | $119,969 |
| 2021 | Manager, Biomonitoring and Inland WatersEnvironment, Conservation and Parks | $116,931 |
| 2020 | Supervisor, Great Lakes Monitoring UnitEnvironment, Conservation and Parks | $113,617 |
| 2019 | Supervisor, Great Lakes Monitoring UnitEnvironment, Conservation and Parks | $112,498 |
| 2018 | Supervisor, Great Lakes Monitoring UnitEnvironment and Climate Change | $109,107 |
| 2017 | Supervisor, Great Lakes Monitoring Unit / Superviseur, Unité de la surveillance pour les Grands LacsEnvironment and Climate Change / Environnement et Action en matière de changement | $107,856 |
Take-Home Pay
(After Tax) · 2024 estimate
Of the $139,813 James Martherus earned in 2024, roughly $97,557 would remain after income tax, CPP and EI, an all-in deduction rate of about 30.2%. Compared with 2023, when the figure was $122,650, that is a rise of about 14%. Within Environment, Conservation and Parks, James Martherus's total compensation of $139,977 was the #104 of 1,227, against a median salary of $114,554. After pension contributions (probably PSPP or OPTrust in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$97,557
- Effective income-tax rate (excl. CPP/EI)
- ~26.6%
- CPP + EI contributions
- ~$5,105
- All-in deduction rate (incl. CPP/EI)
- ~30.2%
Where does $139,813 rank on the Sunshine List? →
Estimate only: 2024 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.