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Water and Wastewater Treatment Plant and System Operators Salary in Oklahoma: Cost of Living Adjusted (2025)

Last updated: 2025 BLS data · Page refreshed:

What does a Water and Wastewater Treatment Plant and System Operators salary really buy you in Oklahoma?

Oklahoma is 11.2% cheaper than the US average

Data: BLS OEWS 2025 + BEA Regional Price Parities 2022 • Updated 2026-05-19

Nominal Salary
$45,890
Median annual (2025)
+12.6%
Real Purchasing Power
$51,677
COL-adjusted (RPP=88.8)

Oklahoma Cost of Living Index

Oklahoma's Regional Price Parity (RPP) is 88.8, meaning prices are 11.2% lower the national average. A Water and Wastewater Treatment Plant and System Operators earning $45,890 in Oklahoma has the equivalent purchasing power of $51,677 in an average-cost US state.

OK: 88.8
Cheapest (~85) US Avg (100) Priciest (~115)

Salary Breakdown: Nominal vs. COL-Adjusted

Every dollar goes further in low-cost states. Here is how each salary percentile compares after adjusting for Oklahoma's cost of living.

Percentile Nominal Salary COL-Adjusted Difference
10th Percentile (P10) $35,250 $39,695 +$4,445
25th Percentile (P25) $38,130 $42,939 +$4,809
Median (P50) $45,890 $51,677 +$5,787
75th Percentile (P75) $52,000 $58,558 +$6,558
90th Percentile (P90) $63,040 $70,990 +$7,950
Key Insight

A Water and Wastewater Treatment Plant and System Operators in Oklahoma earns $45,890 on paper, but low living costs mean your money goes 13% further — like earning $51,677 in an average-cost state. This makes Oklahoma one of the best value states for this occupation.

What the Cost-of-Living Data Says

Oklahoma Runs Well Below National Cost

RPP 88.8

Oklahoma's Regional Price Parity (RPP) of 88.8 means a basket of goods and services costs about 11.2% less than the national average. For a Water and Wastewater Treatment Plant and System Operators, every dollar earned effectively buys more here than in a 100-RPP state.

Sizable COL Effect Reshapes This Salary

+12.6%

Adjusting $45,890 for Oklahoma's cost of living yields $51,678 — a 12.6% gain in real purchasing power. This magnitude usually reflects either a materially cheaper or materially pricier metro mix than the national average.

Bottom-Quartile COL-Adjusted Pay

#45 / 50

Oklahoma ranks #45 of 50 — bottom quartile for Water and Wastewater Treatment Plant and System Operators real purchasing power. Relocation, employer negotiation, or remote roles at higher-paying markets tend to generate the biggest ROI.

Best States for Water and Wastewater Treatment Plant and System Operators (After Cost of Living)

Where does Water and Wastewater Treatment Plant and System Operators salary stretch the furthest? Top 10 states ranked by COL-adjusted median salary.

1. Nevada
$84,481
RPP 96.4
$76,427
RPP 97.7
$74,078
RPP 106.4
$73,588
RPP 109.8
$72,684
RPP 112.5
$72,531
RPP 102.3
$72,389
RPP 108.8
8. Iowa
$68,993
RPP 88.4
$68,851
RPP 92.3
10. Wyoming
$68,835
RPP 91.9

Oklahoma ranks #45 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 Oklahoma after taxes →

Frequently Asked Questions

What is the real salary for a Water and Wastewater Treatment Plant and System Operators in Oklahoma after cost of living?

A Water and Wastewater Treatment Plant and System Operators in Oklahoma earns a median salary of $45,890 per year. After adjusting for Oklahoma's cost of living (RPP=88.8), the real purchasing power is $51,677 — a +12.6% difference.

Is Oklahoma expensive to live in?

Oklahoma's cost of living is 11.2% lower than the national average according to the BEA Regional Price Parities (2022). The RPP index for Oklahoma is 88.8 (US average = 100).

What are Regional Price Parities (RPP)?

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.

How is the cost-of-living adjusted salary calculated?

The adjusted salary is calculated as: Nominal Salary x (100 / RPP). For a Water and Wastewater Treatment Plant and System Operators in Oklahoma: $45,890 x (100 / 88.8) = $51,677. This represents what the salary would be worth in a state with average living costs.

Is it better to be a Water and Wastewater Treatment Plant and System Operators in Oklahoma financially?

From a purchasing power perspective, yes. A Water and Wastewater Treatment Plant and System Operators in Oklahoma enjoys 12.6% 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.

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