Nathan Siniowski
$132,740.74asSupervisor Water Treatment Operations+2.8%
Employed by City Of Guelph in 2025, according to Government of Ontario public salary records.
Salary Information
Historical salary and taxable benefits from 2022 to 2025.
In 2025, Nathan Siniowski received a salary of $132,740.74 working as Supervisor Water Treatment Operations at City Of Guelph, as disclosed on the Ontario Sunshine List. This represents a 2.8% increase over the previous year's reported salary. Nathan Siniowski has appeared on the Ontario Sunshine List 4 times between 2022 and 2025, with reported earnings peaking at $132,740.74 in 2025. In addition to salary, $941.00 in taxable benefits was disclosed for 2025. City Of Guelph reports under the Municipalities & Services sector of Ontario's public sector salary disclosure.
Top earning Supervisor Water Treatment Operationss in City Of Guelph
| Name | Salary |
|---|---|
| Nathan Siniowski | $132,740.74 |
Other employees at City Of Guelph
| Name | Position | Salary |
|---|---|---|
| Kelly Beirnes Supervisor Water Distribution | Supervisor Water Distribution | $134,091.10 |
| Kyle Gagne Public Works Supervisor | Public Works Supervisor | $134,067.17 |
| Matthew Irish Associate Solicitor – Litigation And Risk | Associate Solicitor – Litigation And Risk | $133,892.85 |
| Cory Mckeown Supervisor Bylaw And Security | Supervisor Bylaw And Security | $133,262.11 |
| Alex Goss Manager Equity And Community Investment | Manager Equity And Community Investment | $132,935.46 |
| Jennifer Slater Manager Information Privacy Elections / Deputy Clerk | Manager Information Privacy Elections / Deputy Clerk | $132,685.89 |
| Angela Weber Alarm Room Technician | Alarm Room Technician | $132,587.00 |
| Robert Legros Program Manager Fleet Maintenance Transit | Program Manager Fleet Maintenance Transit | $132,198.16 |
| Brandon Krukowski Fire Fighter | Fire Fighter | $132,036.46 |
| Haixiang Wang Network Security Specialist | Network Security Specialist | $132,013.47 |