What does a Water and Wastewater Treatment Plant and System Operators salary really buy you in Missouri?
Missouri is 8.9% cheaper than the US averageData: BLS OEWS 2024 + BEA Regional Price Parities 2022 • Updated 2026-03-31
Missouri's Regional Price Parity (RPP) is 91.1, meaning prices are 8.9% lower the national average. A Water and Wastewater Treatment Plant and System Operators earning $52,990 in Missouri has the equivalent purchasing power of $58,166 in an average-cost US state.
Every dollar goes further in low-cost states. Here is how each salary percentile compares after adjusting for Missouri's cost of living.
| Percentile | Nominal Salary | COL-Adjusted | Difference |
|---|---|---|---|
| 10th Percentile (P10) | $37,480 | $41,141 | +$3,661 |
| 25th Percentile (P25) | $45,510 | $49,956 | +$4,446 |
| Median (P50) | $52,990 | $58,166 | +$5,176 |
| 75th Percentile (P75) | $58,860 | $64,610 | +$5,750 |
| 90th Percentile (P90) | $69,580 | $76,377 | +$6,797 |
A Water and Wastewater Treatment Plant and System Operators in Missouri earns $52,990 on paper, but low living costs mean your money goes 10% further — like earning $58,166 in an average-cost state. This makes Missouri one of the best value states for this occupation.
Where does Water and Wastewater Treatment Plant and System Operators salary stretch the furthest? Top 10 states ranked by COL-adjusted median salary.
Missouri ranks #31 out of 50 states for Water and Wastewater Treatment Plant and System Operators after cost-of-living adjustment.
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A Water and Wastewater Treatment Plant and System Operators in Missouri earns a median salary of $52,990 per year. After adjusting for Missouri's cost of living (RPP=91.1), the real purchasing power is $58,166 — a +9.8% difference.
Missouri's cost of living is 8.9% lower than the national average according to the BEA Regional Price Parities (2022). The RPP index for Missouri is 91.1 (US average = 100).
Regional Price Parities (RPPs) are price indexes published by the U.S. Bureau of Economic Analysis (BEA) that measure differences in price levels across states. They are expressed as a percentage of the national average (US = 100). Higher RPP means higher cost of living.
The adjusted salary is calculated as: Nominal Salary x (100 / RPP). For a Water and Wastewater Treatment Plant and System Operators in Missouri: $52,990 x (100 / 91.1) = $58,166. This represents what the salary would be worth in a state with average living costs.
From a purchasing power perspective, yes. A Water and Wastewater Treatment Plant and System Operators in Missouri enjoys 9.8% more buying power than the nominal salary suggests, because living costs are below the national average. However, other factors like job availability, career growth, and quality of life also matter.