Water and Wastewater Treatment Plant and System Operators Salary in California (2025)
Official BLS OEWS data · May 2025 · 11,630 employed
Salary Percentile Breakdown
| Percentile | Annual |
|---|---|
10th Percentile Bottom 10% | $56,030 |
25th Percentile Lower quarter | $65,250 |
50th PercentileMedian Median | $81,770 |
75th Percentile Upper quarter | $103,550 |
90th Percentile Top 10% | $123,380 |
Salary Distribution
Annual Salary Range
10th
$56K
25th
$65K
Median
$82K
75th
$104K
90th
$123K
California has a large Water and Wastewater Treatment Plant and System Operators workforce with approximately 11,630 positions, indicating strong demand for this occupation in the region.
In California, Water and Wastewater Treatment Plant and System Operators salaries range from $56,030 at the 10th percentile to $123,380 at the 90th percentile — a spread of $67,350 (82% of the median). This wide range suggests significant variation based on experience and employer in this area.
Top Paying Cities in California
Metro areas with highest Water and Wastewater Treatment Plant and System Operators wages
How Water and Wastewater Treatment Plant and System Operators Compares in California
The average Water and Wastewater Treatment Plant and System Operators salary of $87,190 in California ranks above the national average of $62,540. There are approximately 11,630 Water and Wastewater Treatment Plant and System Operatorss employed in California.