Salaries › Water Treatment Operator › Indiana
Water Treatment Operator Salary in Indiana (2026)
$25.74 per hour · take-home ≈ $43,620/year ($3,635/month) for a single filer
Indiana ranks 33rd of 50 states for Water Treatment Operator pay, with a median about 11% below the national average. Of the 3,140 Water Treatment Operator jobs BLS counts in Indiana, the typical worker earns $53,540 a year — though pay ranges from $40,590 for newcomers to $75,290 at the top.
Water Treatment Operator pay range in Indiana
| Percentile | Annual wage | Meaning |
| 10th percentile (entry) | $40,590 | Lowest-paid 10% earn less than this |
| 25th percentile | $47,570 | A quarter earn less |
| Median (50th) | $53,540 | Half earn more, half earn less |
| 75th percentile | $62,120 | Top quarter starts here |
| 90th percentile (top) | $75,290 | Highest-paid 10% earn more than this |
BLS reports 3,140 Water Treatment Operator jobs in Indiana (occupation code 51-8031, “Water and Wastewater Treatment Plant and System Operators”).
Gross vs. take-home in Indiana
A median Water Treatment Operator salary of $53,540 doesn’t all reach your bank account. After federal income tax, Social Security, and Medicare, plus Indiana state income tax, a single filer keeps about $43,620 — an effective tax rate of 18.5%.
| Gross (median) | $53,540 |
| Federal income tax | −$4,245 |
| Social Security + Medicare | −$4,096 |
| Indiana state income tax | −$1,579 |
| Take-home (annual) | $43,620 |
| Take-home (monthly) | $3,635 |
Want your exact numbers — married, 401(k), different salary? Use the free Indiana paycheck calculator on PaycheckTally.
Frequently asked questions
- How much does a Water Treatment Operator make in Indiana?
- The median Water Treatment Operator salary in Indiana is $53,540 per year ($25.74 per hour) according to the latest BLS data. The middle 50% earn between $47,570 and $62,120.
- What is the take-home pay for a Water Treatment Operator in Indiana?
- On the median salary of $53,540, a single filer in Indiana takes home about $43,620 per year ($3,635 per month) after federal tax, FICA, and state income tax — an effective tax rate of 18.5%.
- How many Water Treatment Operator jobs are there in Indiana?
- BLS counts 3,140 Water Treatment Operator jobs in Indiana in the latest survey (May 2025).
Top-paying states for Water Treatment Operators
Other salaries in Indiana
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 Indiana 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 Indiana.