Dorota Grzadkowska
Dorota Grzadkowska served as the Supervisor, Microbiology at Regional Municipality of Waterloo in 2025, received an annual salary of $116,692.79 and a taxable benefit of $449.40, as indicated by the Government of Ontario's Sunshine list. Dorota has held the same position since 2025 has been receiving six-figure yearly compensation.
$117,142.19
Total paid in 2025
$116,692.79
Salary
$449.40
Taxable Benefit
 |
Female Very high confidence |
Find Dorota on LinkedIn| Job Title : | Supervisor, Microbiology |
| Employer : | Regional Municipality of Waterloo |
| Sector : | Municipalities and Services |
| Year : | 2025 |
Comparing peers in identical roles within the organization | ||||
|
$117K | ||||
▼ | ||||
|
| ||||
|
Comparison with other individuals in similar positions in Ontario | ||||
$117K | ||||
▼ | ||||
|
| ||||
|
| Bottom 90% | Below Average | Above Average | Top 10% |
Between 2017 and 2025, Dorota experienced an average annual increase of approximately 1.90% in annual salary, including taxable benefits at Regional Municipality of Waterloo. By 2025, Dorota's total pay had risen by 16.17% compared to the pay in 2017. Additional information can be found in the chart and table presented below.
| Year | Job Title | Salary | Taxable Benefit | Raise |
|---|---|---|---|---|
| 2025 | Supervisor, Microbiology | $116,693 | $449 | ⇧ 3.66% |
| 2024 | Senior Microbiologist | $112,477 | $525 | ⇧ 3.36% |
| 2023 | Senior Microbiologist | $108,733 | $600 | ⇧ 3.21% |
| 2022 | Senior Microbiologist | $105,376 | $555 | ⇧ 0.67% |
| 2021 | Senior Microbiologist | $104,687 | $544 | ⇧ 0.85% |
| 2020 | Senior Microbiologist | $103,816 | $530 | ⇧ 1.28% |
| 2019 | Senior Microbiologist | $102,454 | $572 | ⇧ 1.70% |
| 2018 | Senior Microbiologist | $100,829 | $472 | ⇧ 0.46% |
| 2017 | Senior Microbiologist | $100,366 | $469 |
The 2025 Sunshine List has employee who held exactly same position title ( Supervisor, Microbiology ) in the Regional Municipality of Waterloo.
| Full Name | Salary | Taxable Benefit |
|---|---|---|
| Dorota Grzadkowska | $116,693 | $449 |
The 2025 Sunshine List has 5 employees who held comparable positions in Ontario.
| Full Name | Job Title | Employer | Total Paid |
|---|---|---|---|
| Susan Lee | Supervisor, Food Microbiology | University of Guelph | $122,994 |
| Carlos Leon-Velarde | Supervisor, Food Microbiology | University of Guelph | $122,699 |
| Dorota Grzadkowska | Supervisor, Microbiology | Regional Municipality of Waterloo | $117,142 |
| Laura Russell | Supervisor Microbiology | City of Hamilton | $115,928 |
| Saleema Saleh | Supervisor, Food Microbiology | University of Guelph | $108,780 |