Tam Nguyen
Ontario Clean Water Agency/Senior Systems Integrator
2025 Salary
$121,026Total compensation $125,270, including $4,243 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
#186Ontario Clean Water Agency
Years on List
32023–2025
Peak Salary
$121,0262025
Full 2025 roster at Ontario Clean Water Agency →·See where $121,026 ranks →
Total Compensation History
Full History
2023–2025
$102,081 in 2023 is worth about $106,694 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Senior Systems IntegratorOntario Clean Water Agency | $121,026Benefits $4,243Total $125,270 |
| 2024 | Water and Wastewater Instrumentation Technician SpecialistOntario Clean Water Agency | $113,658Benefits $137Total $113,796 |
| 2023 | Water and Wastewater Instrumentation Technician Specialist / Spécialiste technique, instrumentation pour le traitement de l'eau et les eaux uséesOntario Clean Water Agency / Agence ontarienne des eaux | $102,081Benefits $132Total $102,212 |
Take-Home Pay
(After Tax) · 2025 estimate
Of the $121,026 Tam Nguyen earned in 2025, roughly $87,472 would remain after income tax, CPP and EI, an all-in deduction rate of about 27.7%. Among those listed as Senior Systems Integrator in 2025, the median was $133,305; this salary sits about 9% below it. Pension contributions — likely PSPP or OPTrust in the Crown Agencies sector — would typically trim another 7–10% off that figure.
- Estimated net pay
- ~$87,472
- Effective income-tax rate (excl. CPP/EI)
- ~23.2%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~27.7%
- vs. 2025 Senior Systems Integrator median
- −9%
Where does $121,026 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.