City of Rockville
Assistant Water Treatment Plant Superintendent
Mark Mathis D in 2025 was employed at City of Rockville and had an annual salary of $100,660, according to public records. This salary was 132 percent higher than the average and 372,716 percent higher than the median salary in City of Rockville.
City of Rockville records show Mark Mathis D held three jobs from 2017 to 2025.
According to the public records employee's salary increased by $19,171 from 2024 to 2025, which is a 23.5 percent rise. Since 2017, the salary has increased by $41,628, a total rise of 70.5 percent.
| Year | 2025 |
| Full Name | Mark Mathis D |
| Job Title | Assistant Water Treatment Plant Superintendent |
| State | Maryland |
| Employer | City of Rockville |
| Annual Wage | $100,660 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | City of Rockville |
| Year | 2025 |
| Number of Employees | 1,266 |
| Average Annual Wage | $43,410 |
| Median Annual Wage | $27 |
Mark Mathis D (2024)Water Treatment Plant Shift Leader | View Person Details |
Mark Mathis D (2023)Water Plant Operator | View Person Details |
Mark Mathis D (2022)Water Plant Operator | View Person Details |
Mark Mathis D (2021)Water Plant Operator | View Person Details |
Mark Mathis D (2020)Water Plant Operator | View Person Details |
Mark Mathis D (2018)Water Plant Operator | View Person Details |
Mark Mathis D (2017)Water Plant Operator | View Person Details |
Danielle Winborne L (2025)Deputy City Clerk at City of Rockville | View Person Details |
Jennifer Duncan C (2025)Plans Examiner at City of Rockville | View Person Details |
Mariella Correal (2025)Senior Services Program Coordinator at City of Rockville | View Person Details |
Gregorio Gonzalez O (2025)Facilities Engineer at City of Rockville | View Person Details |
Megan Flick E (2025)Principal Planner at City of Rockville | View Person Details |
Rebecca Jimenez E (2025)Senior Environmental Compliance Inspector at City of Rockville | View Person Details |
Clifford Cumber G (2025)Public Information Specialist at City of Rockville | View Person Details |
Wanda Shoemaker C (2025)Accounts Payable Specialist at City of Rockville | View Person Details |
Pandelis Hinaris N (2025)Police Corporal at City of Rockville | View Person Details |
Alice Grear N (2025)Recreation Programs Supervisor at City of Rockville | View Person Details |