SOC 51-8031 · May 2025 · BLS OEWS
Water and Wastewater Treatment Plant and System Operators — Napa
Napa, CA · 10 metro areas compared
The median wage for Water and Wastewater Treatment Plant and System Operators in Napa, CA is $101,540 per year, well above the national median of $60,020.
Wage distribution · annual
Shaded band holds the middle 50% of earners
Salary overview
The median wage for Water and Wastewater Treatment Plant and System Operators in Napa, CA is $101,540 per year, well above the national median of $60,020. The gap of 69.2% is among the widest recorded for this occupation. Half of workers earn between $80,670 and $113,130. Beyond that band, the tenth percentile sits at $61,400 and the ninetieth at $127,960.
The area has 100 jobs in this occupation, which works out to 1.3 of every thousand jobs. Within the state, San Francisco records the highest median at $125,160. Of the 267 occupations with published wages in this area, it sits 51st.
Percentile breakdown
| Percentile | Annual | vs US median |
|---|---|---|
| 10th | $61,400 | +2.3% |
| 25th | $80,670 | +34.4% |
| Median (50th) | $101,540 | +69.2% |
| 75th | $113,130 | +88.5% |
| 90th | $127,960 | +113.2% |
| Mean | $97,320 | +62.1% |
Other metro areas in California
| # | Metro area | Median | Jobs | Relative |
|---|---|---|---|---|
| 1 | San Francisco | $125,160 | 1,040 | |
| 2 | San Jose | $108,190 | 460 | |
| 3 | Vallejo | $106,150 | 200 | |
| 4 | Santa Cruz | $94,060 | 80 | |
| 5 | Santa Maria | $85,960 | 250 | |
| 6 | Sacramento | $85,950 | 1,010 | |
| 7 | San Luis Obispo | $83,190 | 200 | |
| 8 | Riverside | $82,780 | 1,580 | |
| 9 | Los Angeles | $82,460 | 2,230 | |
| 10 | Santa Rosa | $82,200 | 190 |
What the pay is worth locally
Prices in Napa run 10.7% above the national average, so the median of $101,540 buys what $91,725 would elsewhere in the country. Measured that way the gap against the national median narrows to 52.8% above the national median in real terms.
Published median
$101,540as reported by BLSLocal price level
110.7US average = 100 · BEA 2024Adjusted for local prices
$91,725US average = 100 · BEA 2024Key takeaways
- Median pay is $101,540 a year, 69.2% above the national median.
- Published pay spans $61,400 to $127,960 between the tenth and ninetieth percentiles.
- The area has 100 jobs in this occupation.
- The highest-paying metro area covered is San Francisco, at $125,160.
Frequently asked questions
What is the median wage for Water and Wastewater Treatment Plant and System Operators in Napa, CA?
The median annual wage is $101,540, or $48.82 per hour, as of May 2025. Half of the workers in this occupation earn more than that and half earn less.
Is that higher than the national average?
The national median for this occupation is $60,020, so pay in Napa, CA is 69.2% higher. These figures are medians, not averages: half of workers fall on each side.
What do the top earners make?
The top tenth of this occupation in Napa, CA earns more than $127,960 per year. The ninetieth percentile is the highest figure the survey publishes.
What is the starting range?
The tenth percentile wage is $61,400 per year. The survey measures wages actually paid rather than experience level, so this reflects the lowest-paid tenth rather than entry-level pay specifically.
Which area nearby pays the most?
The highest median for this occupation among the metro areas covered is in San Francisco, at $125,160 per year.
How many jobs are there in this occupation here?
The survey estimates 100 jobs in this occupation in Napa, CA. Self-employed workers are not included.
Source and methodology
U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025 Wages are for wage-and-salary workers; self-employed workers are not included. Salary Explorer is an independent project. It is not affiliated with, or endorsed by, the U.S. Bureau of Labor Statistics or any government agency. Full methodology.
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