Salaries › Water Treatment Operator › New Hampshire
Water Treatment Operator Salary in New Hampshire (2026)
$30.26 per hour · take-home ≈ $52,752/year ($4,396/month) for a single filer
New Hampshire ranks 18th of 50 states for Water Treatment Operator pay, with a median about 5% above the national average. Of the 510 Water Treatment Operator jobs BLS counts in New Hampshire, the typical worker earns $62,940 a year — though pay ranges from $49,170 for newcomers to $81,290 at the top.
Water Treatment Operator pay range in New Hampshire
| Percentile | Annual wage | Meaning |
| 10th percentile (entry) | $49,170 | Lowest-paid 10% earn less than this |
| 25th percentile | $54,630 | A quarter earn less |
| Median (50th) | $62,940 | Half earn more, half earn less |
| 75th percentile | $72,610 | Top quarter starts here |
| 90th percentile (top) | $81,290 | Highest-paid 10% earn more than this |
BLS reports 510 Water Treatment Operator jobs in New Hampshire (occupation code 51-8031, “Water and Wastewater Treatment Plant and System Operators”).
Gross vs. take-home in New Hampshire
A median Water Treatment Operator salary of $62,940 doesn’t all reach your bank account. After federal income tax, Social Security, and Medicare (no state income tax in New Hampshire), a single filer keeps about $52,752 — an effective tax rate of 16.2%.
| Gross (median) | $62,940 |
| Federal income tax | −$5,373 |
| Social Security + Medicare | −$4,815 |
| New Hampshire state income tax | −$0 |
| Take-home (annual) | $52,752 |
| Take-home (monthly) | $4,396 |
Want your exact numbers — married, 401(k), different salary? Use the free New Hampshire paycheck calculator on PaycheckTally.
Frequently asked questions
- How much does a Water Treatment Operator make in New Hampshire?
- The median Water Treatment Operator salary in New Hampshire is $62,940 per year ($30.26 per hour) according to the latest BLS data. The middle 50% earn between $54,630 and $72,610.
- What is the take-home pay for a Water Treatment Operator in New Hampshire?
- On the median salary of $62,940, a single filer in New Hampshire takes home about $52,752 per year ($4,396 per month) after federal tax, FICA — an effective tax rate of 16.2%.
- How many Water Treatment Operator jobs are there in New Hampshire?
- BLS counts 510 Water Treatment Operator jobs in New Hampshire in the latest survey (May 2025).
Top-paying states for Water Treatment Operators
Other salaries in New Hampshire
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 New Hampshire 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 New Hampshire.