Water and Wastewater Treatment Plant and System Operators salary in St. Joseph, MO-KS
SOC 51-8031 · BLS OEWS May 2025
How local pay compares
State-level comparison: Missouri ($49,940) and Kansas ($46,780). Metro estimates cover the whole labor market, including portions that cross state lines.
After local prices: the $50,670 median has purchasing power comparable to about $58,658 nationally. St. Joseph, MO-KS's BEA regional price parity is 86.4 (2024).
What the local range looks like
The wash spans the 10th to 90th percentile, the darker section is the middle half, and the tick is the median for St. Joseph, MO-KS.
Getting in
- Typical education to enter
- High school diploma or equivalent
- Related work experience
- None
- On-the-job training
- Long-term on-the-job training
Compare other metro areas
Every linked area below has a published estimate for water and wastewater treatment plant and system operators. Missing areas were withheld by BLS rather than measured at zero.
The median wage as published, before local prices are taken into account.
| # | Metro area | Median | Cost of living | Employed | Concentrationvs. national |
|---|---|---|---|---|---|
| 1 | Lawrence, KS | $60,530 | 90.2 | 80 | 1.94× |
| 2 | St. Louis, MO-IL | $57,850 | 95.1 | 1,220 | 1.10× |
| 3 | Kansas City, MO-KS | $52,770 | 92.5 | 740 | 0.82× |
| 4 | Cape Girardeau, MO-IL | $50,960 | 86.1 | 60 | 1.62× |
| 5 | Columbia, MO | $50,270 | 89.4 | 90 | 1.03× |
| 6 | Joplin, MO-KS | $49,750 | 85.7 | 100 | 1.37× |
| 7 | Springfield, MO | $49,270 | 88.6 | 150 | 0.79× |
| 8 | Topeka, KS | $48,570 | 88.8 | 100 | 1.03× |
| 9 | Jefferson City, MO | $48,550 | 88.0 | 70 | 0.99× |
| 10 | Manhattan, KS | $47,490 | 90.2 | 70 | 1.52× |
| 11 | Wichita, KS | $45,890 | 88.9 | 210 | 0.83× |
Cost of living is the BEA regional price parity for all items, where 100 is the national average. Concentration is the BLS location quotient: how much more of the local workforce does this job than the national average, so 2.00× means twice the national share. It is often the reason wages differ — a place that concentrates an occupation has the employers and the competition for it. Metro areas where water and wastewater treatment plant and system operators wages are suppressed by BLS for confidentiality are omitted.
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