Salaries › Water Treatment Operator › Massachusetts
Water Treatment Operator Salary in Massachusetts (2026)
$32.96 per hour · take-home ≈ $53,627/year ($4,469/month) for a single filer
Massachusetts ranks 9th of 50 states for Water Treatment Operator pay, with a median about 14% above the national average. Of the 2,510 Water Treatment Operator jobs BLS counts in Massachusetts, the typical worker earns $68,550 a year — though pay ranges from $50,980 for newcomers to $91,390 at the top.
Water Treatment Operator pay range in Massachusetts
| Percentile | Annual wage | Meaning |
| 10th percentile (entry) | $50,980 | Lowest-paid 10% earn less than this |
| 25th percentile | $60,120 | A quarter earn less |
| Median (50th) | $68,550 | Half earn more, half earn less |
| 75th percentile | $79,050 | Top quarter starts here |
| 90th percentile (top) | $91,390 | Highest-paid 10% earn more than this |
BLS reports 2,510 Water Treatment Operator jobs in Massachusetts (occupation code 51-8031, “Water and Wastewater Treatment Plant and System Operators”).
Gross vs. take-home in Massachusetts
A median Water Treatment Operator salary of $68,550 doesn’t all reach your bank account. After federal income tax, Social Security, and Medicare, plus Massachusetts state income tax, a single filer keeps about $53,627 — an effective tax rate of 21.8%.
| Gross (median) | $68,550 |
| Federal income tax | −$6,251 |
| Social Security + Medicare | −$5,244 |
| Massachusetts state income tax | −$3,428 |
| Take-home (annual) | $53,627 |
| Take-home (monthly) | $4,469 |
Want your exact numbers — married, 401(k), different salary? Use the free Massachusetts paycheck calculator on PaycheckTally.
Frequently asked questions
- How much does a Water Treatment Operator make in Massachusetts?
- The median Water Treatment Operator salary in Massachusetts is $68,550 per year ($32.96 per hour) according to the latest BLS data. The middle 50% earn between $60,120 and $79,050.
- What is the take-home pay for a Water Treatment Operator in Massachusetts?
- On the median salary of $68,550, a single filer in Massachusetts takes home about $53,627 per year ($4,469 per month) after federal tax, FICA, and state income tax — an effective tax rate of 21.8%.
- How many Water Treatment Operator jobs are there in Massachusetts?
- BLS counts 2,510 Water Treatment Operator jobs in Massachusetts in the latest survey (May 2025).
Top-paying states for Water Treatment Operators
Other salaries in Massachusetts
Sources and methodology
Wage and employment figures: BLS OEWS May 2025 (state file, released April 2026) — the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics survey, the most authoritative public salary dataset. Take-home estimate: 2026 federal brackets, FICA, and verified Massachusetts state tax rules (single filer, standard deduction, no credits or local taxes). Estimates only — not financial advice.
- BLS OEWS — official occupational wage data.
- PaycheckTally — interactive 2026 take-home calculator for Massachusetts.