What does a Water and Wastewater Treatment Plant and System Operators salary really buy you in Maryland?
Maryland is 5.0% pricier than the US averageData: BLS OEWS 2024 + BEA Regional Price Parities 2022 • Updated 2026-03-31
Maryland's Regional Price Parity (RPP) is 105.0, meaning prices are 5.0% higher the national average. A Water and Wastewater Treatment Plant and System Operators earning $58,740 in Maryland has the equivalent purchasing power of $55,942 in an average-cost US state.
Every dollar goes further in low-cost states. Here is how each salary percentile compares after adjusting for Maryland's cost of living.
| Percentile | Nominal Salary | COL-Adjusted | Difference |
|---|---|---|---|
| 10th Percentile (P10) | $40,750 | $38,809 | $-1,940 |
| 25th Percentile (P25) | $48,250 | $45,952 | $-2,297 |
| Median (P50) | $58,740 | $55,942 | $-2,797 |
| 75th Percentile (P75) | $73,110 | $69,628 | $-3,481 |
| 90th Percentile (P90) | $94,920 | $90,400 | $-4,520 |
While $58,740 sounds high, Maryland's elevated cost of living erases 5% of that salary's purchasing power. Your real buying power is $55,942. Consider whether the higher pay offsets the higher costs.
Where does Water and Wastewater Treatment Plant and System Operators salary stretch the furthest? Top 10 states ranked by COL-adjusted median salary.
Maryland ranks #35 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 Maryland earns a median salary of $58,740 per year. After adjusting for Maryland's cost of living (RPP=105.0), the real purchasing power is $55,942 — a -4.8% difference.
Maryland's cost of living is 5.0% higher than the national average according to the BEA Regional Price Parities (2022). The RPP index for Maryland is 105.0 (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 Maryland: $58,740 x (100 / 105.0) = $55,942. This represents what the salary would be worth in a state with average living costs.
Partially — a Water and Wastewater Treatment Plant and System Operators's nominal salary of $58,740 in Maryland has 4.8% less purchasing power due to higher living costs. The real value is $55,942. However, Maryland may offer better career opportunities, networking, and industry access.