Water and Wastewater Treatment Plant and System Operators Salary in Missouri
BLS OEWS May 2025 • 12 metro areas • Missouri
Water and Wastewater Treatment Plant and System Operators in Missouri earn a median salary of $50,581 per year on average across 12 metro and nonmetro areas, -13.2% vs the national median of $58,260. An estimated 3,430 water and wastewater treatment plant and system operators are employed across Missouri, with salaries ranging from $44,730 to $58,910 depending on location.
$50,581
Avg median salary in Missouri
$58,910
Highest paying metro
$44,730
Lowest paying metro
3,430
Employed in Missouri
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Water and Wastewater Treatment Plant and System Operators
inWater and Wastewater Treatment Plant and System Operators salaries by city in Missouri
| Metro area | Median salary | 25th pct | 75th pct | Employed |
|---|---|---|---|---|
| St. Louis, MO-IL | $58,910 | $53,470 | $69,660 | 1,140 |
| Cape Girardeau, MO-IL | $56,120 | $48,310 | $59,280 | 60 |
| St. Joseph, MO-KS | $52,800 | $47,170 | $61,520 | 60 |
| Springfield, MO | $52,530 | $44,350 | $61,460 | 130 |
| Joplin, MO-KS | $52,070 | $43,920 | $59,090 | 90 |
| Kansas City, MO-KS | $51,290 | $47,190 | $61,820 | 790 |
| Columbia, MO | $48,690 | $48,690 | $60,710 | 90 |
| North Missouri | $48,430 | $40,440 | $58,130 | 390 |
| Central Missouri | $48,330 | $37,620 | $57,950 | 210 |
| Jefferson City, MO | $46,980 | $44,470 | $58,080 | 60 |
| Southeast Missouri | $46,090 | $36,540 | $57,950 | 240 |
| Southwest Missouri | $44,730 | $37,990 | $54,080 | 170 |