Supervisor Water Treatment Operations · City Of Guelph
Nathan Siniowski
$132,741+$3,6112025 salary
Scrub the chart to inspect any year
MAX2022–2025
- Years on the list
- 4
- Peak salary
- $132,741
- Total disclosed earnings
- $506,915
- Percentile at employer (2025)
- 74th
Salary intelligence
Career movement
+$15,063
+12.8% from 2022 to 2025.
Peak year
$132,741
Highest disclosed salary across 4 records.
Latest context
Supervisor Water Treatment Operations
City Of Guelph, 2025.
Why this page is reliable
This page is generated from Ontario Public Sector Salary Disclosure rows that were resolved into a persistent person entity across years, employers, and titles.
Read the methodology- Source
- Ontario Public Sector Salary Disclosure
- Records matched
- 4
- Resolution status
- Entity-resolved
- Latest source year
- 2025
Standing, 2025
At City Of Guelph74th percentile
Keep exploring
Salary history
| Year | Employer | Title | Salary | Benefits | Change |
|---|---|---|---|---|---|
| 2025 | City Of Guelph | Supervisor Water Treatment Operations | $132,741 | — | +$3,611 |
| 2024 | City Of Guelph | Supervisor Water Treatment Operations | $129,130 | — | +$1,764 |
| 2023 | City Of Guelph | Supervisor, Water Treatment and Maintenance | $127,366 | — | +$9,688 |
| 2022 | City Of Guelph | Supervisor, Water Treatment and Maintenance | $117,678 | — | +$0 |
Source: Ontario Public Sector Salary Disclosure. Report a data error.