Water and Wastewater Treatment Plant and System Operators salary in Bloomington, IL
Water and Wastewater Treatment Plant and System Operators in the Bloomington, IL metro area earn a median of $79,220 a year ($38.09 an hour), based on BLS data for 60 workers.
Pay ranges from $45,100 for the lowest-paid 10% to $99,230 for the top 10%. That is 32% higher than the national median of $60,020. Pay here is 17% higher than the Illinois statewide median of $67,810. There are 0.70 water and wastewater treatment plant and system operators per 1,000 jobs here — close to the national average. The average (mean) salary is $73,300, close to the median.
Pay range for water and wastewater treatment plant and system operators in Bloomington, IL
| Pay level | Yearly | Hourly |
|---|---|---|
| 10th percentile (entry level) | $45,100 | $21.68 |
| 25th percentile | $64,760 | $31.13 |
| Median | $79,220 | $38.09 |
| 75th percentile | $83,150 | $39.98 |
| 90th percentile (top earners) | $99,230 | $47.71 |
| Average (mean) | $73,300 | $35.24 |
Half of water and wastewater treatment plant and system operators earn more than the median and half earn less. Percentiles show the spread: 10% earn less than the 10th percentile, and 10% earn more than the 90th.
Median paycheck, before taxes
| Pay period | Amount |
|---|---|
| Monthly | $6,601.67 |
| Semi-monthly (24 a year) | $3,300.83 |
| Biweekly (26 a year) | $3,046.92 |
| Weekly | $1,523.46 |
| Hourly | $38.09 |
Based on a full-time year of 2,080 hours. Convert any amount with the hourly to salary converter.
Buying a home? On a $79,220 salary, see how much house you can afford in Illinois at today's mortgage rates, or work out a payment with the mortgage calculator.
Water and Wastewater Treatment Plant and System Operators salary in other metro areas nearby
| Metro area | Median salary | Workers |
|---|---|---|
| Chicago-Naperville-Elgin, IL-IN | $79,290 | 1,770 |
| Rockford, IL | $77,830 | 90 |
| Davenport-Moline-Rock Island, IA-IL | $63,440 | 220 |
| Decatur, IL | $62,150 | 50 |
| Champaign-Urbana, IL | $61,720 | 90 |
| Peoria, IL | $60,380 | 120 |
| Kankakee, IL | $59,870 | 70 |
| Springfield, IL | $58,990 | 50 |
| St. Louis, MO-IL | $57,850 | 1,220 |
| Paducah, KY-IL | $52,160 | 70 |
| Cape Girardeau, MO-IL | $50,960 | 60 |
Highest-paying states for water and wastewater treatment plant and system operators
| State | Median salary |
|---|---|
| California | $81,770 |
| Nevada | $81,440 |
| Washington | $80,800 |
| Connecticut | $78,820 |
| New Jersey | $78,760 |
| Minnesota | $74,670 |
| Colorado | $74,200 |
| Oregon | $69,720 |
| Massachusetts | $68,550 |
| Illinois | $67,810 |
See Water and Wastewater Treatment Plant and System Operators pay in every state or the Illinois statewide figures.
Related jobs in Bloomington, IL
| Job | Median salary | Hourly |
|---|---|---|
| Baker | $34,440 | $16.56 |
| Inspectors, Testers, Sorters, Samplers, and Weighers | $46,690 | $22.45 |
| Packaging and Filling Machine Operators and Tenders | $41,330 | $19.87 |
| Laundry and Dry-Cleaning Workers | $37,060 | $17.82 |
| Printing Press Operator | $37,330 | $17.95 |
| Butchers and Meat Cutters | $36,400 | $17.50 |
| Welders, Cutters, Solderers, and Brazers | $47,180 | $22.69 |
| Computer Numerically Controlled Tool Operator | $53,300 | $25.63 |
| Coating, Painting, and Spraying Machine Setters, Operators, and Tenders | $47,150 | $22.67 |
| Production Workers, All Other | $36,230 | $17.42 |
| Tool and Die Makers | $64,320 | $30.92 |
| First-Line Supervisors of Production and Operating Workers | $79,650 | $38.30 |
| Miscellaneous Assemblers and Fabricators | $47,890 | $23.03 |
More: Production Occupations · all salaries in Bloomington, IL
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025 estimates, occupation code 51-8031. Wages include base pay, tips, commissions and shift pay, but not overtime, bonuses or benefits, and exclude the self-employed.
Frequently asked questions
How much does a water and wastewater treatment plant and system operators make in Bloomington, IL?
The median salary for water and wastewater treatment plant and system operators in the Bloomington, IL metro area is $79,220 a year, or $38.09 an hour. Pay ranges from $45,100 for the lowest-paid 10% to $99,230 for the top 10%.
How much do the highest-paid water and wastewater treatment plant and system operators make in Bloomington, IL?
The top 10% of water and wastewater treatment plant and system operators in the Bloomington, IL metro area earn at least $99,230 a year. The top 25% earn $83,150 or more.
What is the starting pay for water and wastewater treatment plant and system operators in Bloomington, IL?
Entry-level pay (the 10th percentile) is about $45,100 a year, and a quarter of water and wastewater treatment plant and system operators earn $64,760 or less.
How many water and wastewater treatment plant and system operators work in Bloomington, IL?
About 60 water and wastewater treatment plant and system operators are employed in the Bloomington, IL metro area, not counting the self-employed.