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What does a Water and Wastewater Treatment Plant and System Operators salary really buy you in Hawaii?
Hawaii is 10.8% pricier than the US averageData: BLS OEWS 2025 + BEA Regional Price Parities 2022 • Updated 2026-05-19
Hawaii's Regional Price Parity (RPP) is 110.8, meaning prices are 10.8% higher the national average. A Water and Wastewater Treatment Plant and System Operators earning $65,560 in Hawaii has the equivalent purchasing power of $59,169 in an average-cost US state.
Every dollar goes further in low-cost states. Here is how each salary percentile compares after adjusting for Hawaii's cost of living.
| Percentile | Nominal Salary | COL-Adjusted | Difference |
|---|---|---|---|
| 10th Percentile (P10) | $46,900 | $42,328 | $-4,571 |
| 25th Percentile (P25) | $55,470 | $50,063 | $-5,406 |
| Median (P50) | $65,560 | $59,169 | $-6,390 |
| 75th Percentile (P75) | $78,320 | $70,685 | $-7,634 |
| 90th Percentile (P90) | $82,680 | $74,620 | $-8,059 |
While $65,560 sounds high, Hawaii's elevated cost of living erases 10% of that salary's purchasing power. Your real buying power is $59,169. Consider whether the higher pay offsets the higher costs.
Hawaii's RPP of 110.8 puts it 10.8% above the national baseline cost of living. A Water and Wastewater Treatment Plant and System Operators needs that premium in nominal pay just to maintain the same purchasing power as an average-cost state.
After applying Hawaii's RPP, the $65,560 median salary translates to $59,170 in real terms — a 9.7% loss. That difference can cover several months of expenses over a year for a Water and Wastewater Treatment Plant and System Operators.
Hawaii's rank of #27 of 50 states means real purchasing power for Water and Wastewater Treatment Plant and System Operators trails the national half-way line.
Where does Water and Wastewater Treatment Plant and System Operators salary stretch the furthest? Top 10 states ranked by COL-adjusted median salary.
Hawaii ranks #27 out of 50 states for Water and Wastewater Treatment Plant and System Operators after cost-of-living adjustment.
How much do you actually take home? See Water and Wastewater Treatment Plant and System Operators take-home pay in Hawaii after taxes →
A Water and Wastewater Treatment Plant and System Operators in Hawaii earns a median salary of $65,560 per year. After adjusting for Hawaii's cost of living (RPP=110.8), the real purchasing power is $59,169 — a -9.7% difference.
Hawaii's cost of living is 10.8% higher than the national average according to the BEA Regional Price Parities (2022). The RPP index for Hawaii is 110.8 (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 Hawaii: $65,560 x (100 / 110.8) = $59,169. 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 $65,560 in Hawaii has 9.7% less purchasing power due to higher living costs. The real value is $59,169. However, Hawaii may offer better career opportunities, networking, and industry access.
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