Calverley, Michael Thomas
Plumber Master In ChargeMinnesota Zoological GardenDakota CountyFull-time
Skilled Trades Services. Minnesota state employee pay history, from State of Minnesota salary data.
Pay by fiscal year
Total paid across all records in each year, overtime included, compared with consumer prices.
From FY 2018 to FY 2021, pay went down 81% while consumer prices went up 6%. After inflation, pay is down 82% (it fell behind inflation).
| Year | Paid | Change | Prices (CPI) | After inflation |
|---|---|---|---|---|
| FY 2021 | $11,083 | −83.0% | +2.3% | −83.4% |
| FY 2020 | $65,316 | +2.1% | +1.6% | +0.6% |
| FY 2019 | $63,958 | +7.9% | +2.1% | +5.7% |
| FY 2018 | $59,275 | — | — | — |
Each change compares a year with the one before. Large swings usually come from a partial year, extra hours or a change of job rather than a raise. Prices: Consumer Price Index (CPI-U, U.S. city average) from the Bureau of Labor Statistics, averaged July to June; FY 2026 uses 11 months because October 2025 was not published.
Compared with the same job title
FY 2021 · Plumber Master In Charge
Paid more than 0% of the 27 people with this job title that year. The median was $67,606.
Uses the amount paid in the year, so partial years and part-time positions read low.
See everyone with this job titleEvery record
4 records, newest first
| FY | Agency | Job title | County | Base pay | Overtime | Paid |
|---|---|---|---|---|---|---|
| 2021 | Minnesota Zoological Garden Skilled Trades Services | Plumber Master In Charge Full-time · left during year | Dakota | $32.16 /hr | $1 | $11,083 |
| 2020 | Minnesota Zoological Garden Skilled Trades Services | Plumber Master In Charge Full-time | Dakota | $31.38 /hr | $118 | $65,316 |
| 2019 | Minnesota Zoological Garden Heating Plant | Plumber Master In Charge Full-time | Dakota | $30.69 /hr | $266 | $63,958 |
| 2018 | Minnesota Zoological Garden Heating Plant | Plumber Master In Charge Full-time | Dakota | $30.01 /hr | $1,069 | $59,275 |
The state reports one pay total per person per year, covering all of their positions, so it appears on one of that year’s lines and the others show no separate pay.
Highest paid in Minnesota Zoological Garden
FY 2021, amount paid
- Frawley, John$289,094Dir Zoological Gardens
- Frazier, David Burke$148,697Zoo Deputy Director
- Cowen, Amy Ritter$136,840Admin Agency Div Director Sr
- Mosher, Abigail E$132,133Agency Chief Financial Officer
- Schmitt, Renee B$106,864Human Resources Director 2
- Lahner, Lesanna Lyn$105,339Veterinarian
- Fisher, Anthony J$104,352Zoo Conservation Manager
- Madole, Jessica Marie$99,302State Prog Admin Manager Sr
Highest paid as Plumber Master In Charge
FY 2021, amount paid
- Cornwell, Ryan Thomas$71,756Transportation Dept
- Allie, Scott D$71,427MN St Colleges & Universities
- Rasmussen, Drew Erin$68,869Transportation Dept
- Robertson, Jamie D$68,812Transportation Dept
- Jeffers, Clinton P$68,507Corrections Dept
- Schrunk, Timothy Paul$68,180MN St Colleges & Universities
- Abraham, David Paul$67,768Transportation Dept
- Lampert, Jacob$67,720MN St Colleges & Universities