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Salary comparison

Water and Wastewater Treatment Plant and System Operators: Napa vs Olympia

Napa, CA pays about 15.0% more for water and wastewater treatment plant and system operators on paper — $101,540 vs $88,270. But once you factor in what it costs to live there, Napa comes out ahead by $13,270 a year in real buying power.

Napa, CA

Median salary

$101,540

25th percentile

$80,670

75th percentile

$113,130

Hourly

$48.82

Cost index

100

Real buying power

$101,540/yr

Median adjusted for local cost of living.

Full Napa salary page

Olympia, WA

Median salary

$88,270

25th percentile

$77,850

75th percentile

$100,800

Hourly

$42.44

Cost index

100

Real buying power

$88,270/yr

Median adjusted for local cost of living.

Full Olympia salary page

What the numbers mean in practice

The headline gap is $13,270 a year (15.0%) in favor of Napa. That is the raw salary difference before any living costs.

Napa runs a cost index of 100 against the national baseline of 100; Olympia sits at 100. After adjusting the median for those costs, Napa is the better deal by $13,270 a year — that is what each paycheck actually buys locally.

If you are weighing a move from Olympia to Napa for this role, the raise needs to beat 15.0% to come out ahead after living costs. Anything below that and you are earning more on paper but keeping less.

Common questions

Where do water and wastewater treatment plant and system operators earn more, Napa or Olympia?

Napa pays $101,540 on median — about 15.0% more than Olympia ($88,270). Based on BLS Occupational Employment and Wage Statistics.

Which city is the better deal after living costs?

Napa. Once you divide each median by the local cost index, Napa gives you roughly$101,540 of real buying power versus $88,270 in the other city.

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