Salaries › Water Treatment Operator › Oklahoma
Water Treatment Operator Salary in Oklahoma (2026)
$22.06 per hour · take-home ≈ $37,273/year ($3,106/month) for a single filer
Oklahoma ranks 48th of 50 states for Water Treatment Operator pay, with a median about 24% below the national average. Of the 2,280 Water Treatment Operator jobs BLS counts in Oklahoma, the typical worker earns $45,890 a year — though pay ranges from $35,250 for newcomers to $63,040 at the top.
Water Treatment Operator pay range in Oklahoma
| Percentile | Annual wage | Meaning |
| 10th percentile (entry) | $35,250 | Lowest-paid 10% earn less than this |
| 25th percentile | $38,130 | A quarter earn less |
| Median (50th) | $45,890 | Half earn more, half earn less |
| 75th percentile | $52,000 | Top quarter starts here |
| 90th percentile (top) | $63,040 | Highest-paid 10% earn more than this |
BLS reports 2,280 Water Treatment Operator jobs in Oklahoma (occupation code 51-8031, “Water and Wastewater Treatment Plant and System Operators”).
Gross vs. take-home in Oklahoma
A median Water Treatment Operator salary of $45,890 doesn’t all reach your bank account. After federal income tax, Social Security, and Medicare, plus Oklahoma state income tax, a single filer keeps about $37,273 — an effective tax rate of 18.8%.
| Gross (median) | $45,890 |
| Federal income tax | −$3,327 |
| Social Security + Medicare | −$3,511 |
| Oklahoma state income tax | −$1,779 |
| Take-home (annual) | $37,273 |
| Take-home (monthly) | $3,106 |
Want your exact numbers — married, 401(k), different salary? Use the free Oklahoma paycheck calculator on PaycheckTally.
Frequently asked questions
- How much does a Water Treatment Operator make in Oklahoma?
- The median Water Treatment Operator salary in Oklahoma is $45,890 per year ($22.06 per hour) according to the latest BLS data. The middle 50% earn between $38,130 and $52,000.
- What is the take-home pay for a Water Treatment Operator in Oklahoma?
- On the median salary of $45,890, a single filer in Oklahoma takes home about $37,273 per year ($3,106 per month) after federal tax, FICA, and state income tax — an effective tax rate of 18.8%.
- How many Water Treatment Operator jobs are there in Oklahoma?
- BLS counts 2,280 Water Treatment Operator jobs in Oklahoma in the latest survey (May 2025).
Top-paying states for Water Treatment Operators
Other salaries in Oklahoma
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 Oklahoma 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 Oklahoma.