Water and Wastewater Treatment Plant and System Operators Salary in St. Louis, MO-IL
SOC 51-8031 · Metropolitan Area · 2024 BLS OEWS
The median salary for a Water and Wastewater Treatment Plant and System Operators in St. Louis, MO-IL is $58,910 per year as of 2024. That works out to roughly $28.32 per hour. This is 1% above the national median of $58,260. 1,140 people work as Water and Wastewater Treatment Plant and System Operators in St. Louis, MO-IL. Wages have grown 17% since 2014, when the median was $50,260.
Median Annual Salary
$58,910
Mean Annual
$62,440
Median Hourly
$28.32
Total Employed
1,140
Location Quotient
1.04
Average concentration
Salary Distribution
How This Compares
St. Louis, MO-IL
$58,910
this metro
Missouri
$52,990
you earn +11% vs state
United States
$58,260
you earn +1% vs US
Salary Trend
View data table
| Year | Median Annual |
|---|---|
| 2024 | $58,910 |
| 2023 | $61,390 |
| 2022 | $57,770 |
| 2021 | $59,280 |
| 2020 | $58,650 |
| 2019 | $55,620 |
| 2018 | $51,720 |
| 2017 | $47,210 |
| 2016 | $52,650 |
| 2015 | $50,050 |
| 2014 | $50,260 |
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