Last updated: 2025 BLS data · Page refreshed:
How much does a Water and Wastewater Treatment Plant and System Operators actually take home in Missouri?
Progressive (up to 4.8%) — 20.3% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Water and Wastewater Treatment Plant and System Operators earning $49,940 in Missouri (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $49,940 | — |
| Federal Income Tax | -$4,008 | 8.0% |
| Missouri State Income Tax | -$2,284 | 4.6% |
| Social Security (OASDI) | -$3,096 | 6.2% |
| Medicare | -$724 | 1.5% |
| Total Taxes | -$10,114 | 20.3% |
| Take-Home Pay | $39,825 | 79.7% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Water and Wastewater Treatment Plant and System Operators in Missouri.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $38,600 | -$7,341 | $31,258 | 19.0% |
| 25th Percentile (P25) | $45,460 | -$9,018 | $36,441 | 19.8% |
| Median (P50) | $49,940 | -$10,114 | $39,825 | 20.3% |
| 75th Percentile (P75) | $58,400 | -$12,182 | $46,217 | 20.9% |
| 90th Percentile (P90) | $64,930 | -$14,097 | $50,832 | 21.7% |
After federal income tax ($4,008), state tax ($2,284), and FICA ($3,820), a Water and Wastewater Treatment Plant and System Operators in Missouri takes home $39,825 per year — or $3,318 per month. The effective tax rate of 20.3% is relatively low compared to the national range.
With an effective total rate of 20.3%, a Water and Wastewater Treatment Plant and System Operators in Missouri keeps $39,826 of $49,940 gross — roughly typical for U.S. middle-income earners once federal, FICA and state taxes are combined.
Missouri uses a progressive state income tax, so brackets escalate as wages rise. For this Water and Wastewater Treatment Plant and System Operators salary the state tax works out to $2,285 (4.6% effective) — on top of federal and FICA.
Federal tax on this Water and Wastewater Treatment Plant and System Operators salary is $4,009 (40%), but combined state ($2,285, 23%) + FICA ($3,820, 38%) make up the other 60% of the bill.
A Water and Wastewater Treatment Plant and System Operators earning this gross in a no-income-tax state (e.g., Texas, Florida) would take home approximately $42,111 — only $2,285 (5.7%) more than in Missouri.
Missouri sits near the bottom (#41 of 50) for Water and Wastewater Treatment Plant and System Operators after-tax earnings. Relocation, negotiation, or credential stacking typically show the clearest ROI in bottom-quartile states.
Translated into paycheck cadences, $39,826 net/year works out to $3,319/month or $1,532/bi-weekly for this Water and Wastewater Treatment Plant and System Operators in Missouri — the numbers that actually hit a checking account after every deduction.
Where does a Water and Wastewater Treatment Plant and System Operators keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Missouri ranks #41 out of 50 states for Water and Wastewater Treatment Plant and System Operators after-tax take-home pay.
A Water and Wastewater Treatment Plant and System Operators in Missouri earning a median salary of $49,940 will take home approximately $39,825 per year after federal income tax ($4,008), state income tax ($2,284), and FICA ($3,820). That is $3,318 per month or $1,531 per bi-weekly paycheck.
The effective total tax rate for a Water and Wastewater Treatment Plant and System Operators in Missouri is 20.3%, broken down as: federal income tax 8.0%, Missouri state tax 4.6%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
Missouri has a progressive (up to 4.8%). On a Water and Wastewater Treatment Plant and System Operators's median salary of $49,940, the state income tax amounts to $2,284 per year, which is an effective state rate of 4.6%.
After all taxes, a Water and Wastewater Treatment Plant and System Operators in Missouri takes home approximately $3,318 per month, or about $19.15 per hour (based on a standard 2,080-hour work year). These figures assume a single filer, standard deduction, and no additional pre-tax deductions.
We start with the 2025 BLS median salary of $49,940 for Water and Wastewater Treatment Plant and System Operators in Missouri, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), Missouri state income tax (progressive (up to 4.8%)), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $39,825/yr — does not include local taxes, pre-tax deductions (401k, HSA), or tax credits.
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This estimate assumes a single filer using the 2024 standard deduction ($14,600), with W-2 employment income only. It does not account for: itemized deductions, tax credits (e.g. earned income credit, child tax credit), local/city taxes, pre-tax contributions (401k, HSA, FSA), self-employment tax, or additional income sources. Actual take-home pay may differ. Consult a tax professional for personalized advice.
Our Methodology · Data Sources · Salary: BLS OEWS · Tax: IRS + State DOR