SalaryExplorer
English

SOC 51-8031 · May 2025 · BLS OEWS

Water and Wastewater Treatment Plant and System OperatorsSt. Joseph

St. Joseph, MO-KS · 7 metro areas compared

$50,670 /year
$24.36per hour
90jobs in area
15.6%vs US median

In St.

Wage distribution · annual

Shaded band holds the middle 50% of earners

US MEDIAN $60,02010TH$39,35025TH$46,050MEDIAN$50,67075TH$58,13090TH$74,270

Salary overview

In St. Joseph, MO the median wage is $50,670. That is 15.6% lower than the national median of $60,020. Pay ranges from under $39,350 at the tenth percentile to more than $74,270 at the ninetieth, with the interquartile range running from $46,050 to $58,130.

The area has 90 jobs in this occupation, which works out to 1.6 of every thousand jobs. Within the state, St. Louis records the highest median at $57,850. Of the 232 occupations with published wages in this area, it sits 118th.

Percentile breakdown

Annual wages by percentile · St. Joseph, MO-KS · May 2025
PercentileAnnualvs US median
10th$39,350−34.4%
25th$46,050−23.3%
Median (50th)$50,670−15.6%
75th$58,130−3.1%
90th$74,270+23.7%
Mean$53,630−10.6%

Other metro areas in Missouri

Median annual wage for Water and Wastewater Treatment Plant and System Operators, by metro area
#Metro areaMedianJobsRelative
1St. Louis$57,8501,220
2Kansas City$52,770740
3Cape Girardeau$50,96060
4Columbia$50,27090
5Joplin$49,750100
6Springfield$49,270150
7Jefferson City$48,55070

What the pay is worth locally

Prices in St. Joseph run 9.2% below the national average, so the median of $50,670 goes as far as $55,804 would elsewhere in the country. Measured that way it compares to the national median at 7.0% below the national median in real terms.

Published median

$50,670as reported by BLS

Local price level

90.8US average = 100 · BEA 2024

Adjusted for local prices

$55,804US average = 100 · BEA 2024

Key takeaways

  • Median pay is $50,670 a year, 15.6% below the national median.
  • Published pay spans $39,350 to $74,270 between the tenth and ninetieth percentiles.
  • The area has 90 jobs in this occupation.
  • The highest-paying metro area covered is St. Louis, at $57,850.

Frequently asked questions

What is the median wage for Water and Wastewater Treatment Plant and System Operators in St. Joseph, MO?

The median annual wage is $50,670, or $24.36 per hour, as of May 2025. Half of the workers in this occupation earn more than that and half earn less.

Is that higher than the national average?

The national median for this occupation is $60,020, so pay in St. Joseph, MO is 15.6% lower. These figures are medians, not averages: half of workers fall on each side.

What do the top earners make?

The top tenth of this occupation in St. Joseph, MO earns more than $74,270 per year. The ninetieth percentile is the highest figure the survey publishes.

What is the starting range?

The tenth percentile wage is $39,350 per year. The survey measures wages actually paid rather than experience level, so this reflects the lowest-paid tenth rather than entry-level pay specifically.

Which area nearby pays the most?

The highest median for this occupation among the metro areas covered is in St. Louis, at $57,850 per year.

How many jobs are there in this occupation here?

The survey estimates 90 jobs in this occupation in St. Joseph, MO. Self-employed workers are not included.

Source and methodology

U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025 Wages are for wage-and-salary workers; self-employed workers are not included. Salary Explorer is an independent project. It is not affiliated with, or endorsed by, the U.S. Bureau of Labor Statistics or any government agency. Full methodology.

Water and Wastewater Treatment Plant and System Operators Salary in St. Joseph, MO (2025): $50,670 Median | Salary Explorer