Rosemary Ash

$156,057.11asSupervisor, Great Lakes Monitoring Unit

Employed by Environment, Conservation and Parks in 2025, according to Government of Ontario public salary records.

Salary Information

Historical salary and taxable benefits from 2019 to 2025.

YearPositionSalaryBenefitsPerformance
2025
Supervisor, Great Lakes Monitoring Unit
$156,057.11
$165.26
27.3%
2024
Supervisor, Great Lakes Monitoring Unit
$122,594.74
$156.72
6.29%
2022
Supervisor, Great Lakes Monitoring Unit
$115,344.33
$150.24
5.32%
2020
Supervisor, Financial Assurance and Brownfields Services
$109,518.78
$140.38
3.78%
2019
Supervisor, Financial Assurance and Brownfields Services
$105,532.42
$140.73

Rosemary Ash earned $156,057.11 as Supervisor, Great Lakes Monitoring Unit at Environment, Conservation and Parks in 2025, according to the Ontario Sunshine List. This represents a 27.3% increase over the previous year's reported salary. Rosemary Ash has appeared on the Ontario Sunshine List 5 times between 2019 and 2025, with reported earnings peaking at $156,057.11 in 2025. In addition to salary, $165.26 in taxable benefits was disclosed for 2025. Environment, Conservation and Parks reports under the Government of Ontario – Ministries sector of Ontario's public sector salary disclosure.

Top earning Supervisor, Great Lakes Monitoring Units in Environment, Conservation and Parks

NameSalary
Rosemary Ash$156,057.11
NameSalary
Rhobi Chacha
Assistant Director/Manager, Strategic Analysis
$157,031.68
Laura Bjorgan
Senior Manager
$156,930.47
Michelle Palmer
Manager, Biomonitoring and Inland Waters
$156,883.93
Heather Pollard
Senior Manager, Compliance Information Systems
$156,323.31
Gregory Wilson
Parks Zone Manager
$156,088.23
Peter Brown
Senior Advisor, Outreach and Program Support
$155,912.07
Harshida Devani
Senior Review Engineer
$155,884.12
Kathleen Isabelle Spence
Engineer, Air Pollution Control
$155,457.51
Peter Wideman
District Engineer
$155,381.00
Ghassan Ghali
Senior Water Engineer
$155,115.97