Louisiana ranks 49th of 50 states and D.C. for water and wastewater treatment plant and system operators pay, trailing top-paying California ($82,100) by $43,410 — a 112% gap.
The 10th-to-90th percentile range runs from $29,760 to $61,350 — a $31,590 spread, 35% tighter than the national $48,290 range.
Water and Wastewater Treatment Plant and System Operators are more concentrated in Louisiana than the U.S. average — a location quotient of 1.42 means the occupation's share of local jobs is 1.42× the national share.
Salary Range: 10th to 90th Percentile
Full Percentile Breakdown
| Percentile | Annual Wage | Hourly Wage |
|---|---|---|
| 10th percentile (entry-level) | $29,760 | $14.31 |
| 25th percentile | $34,140 | $16.41 |
| 50th percentile (median) | $38,690 | $18.60 |
| 75th percentile | $49,120 | $23.62 |
| 90th percentile (top earners) | $61,350 | $29.50 |
| Mean (average) | $43,440 | $20.89 |
How Louisiana Compares
| State | Median Annual | vs. Louisiana |
|---|---|---|
| Louisiana (current) | $38,690 | n/a |
| California | $82,100 | +112% |
| Nevada | $79,140 | +105% |
| Washington | $78,810 | +104% |
| Alaska | $76,910 | +99% |
| New Jersey | $75,200 | +94% |
| Connecticut | $74,450 | +92% |
| Minnesota | $70,470 | +82% |
| Colorado | $68,220 | +76% |
Showing top-paying states with available data. View all states →
Related Occupations in Louisiana
| Occupation | Median Annual | Employment |
|---|---|---|
| Pharmacy Technicians | $38,700 | 6,350 |
| Public Safety Telecommunicators | $38,830 | 1,730 |
| Slaughterers and Meat Packers | $38,860 | 580 |
| Chefs and Head Cooks | $38,340 | 1,860 |
| Helpers--Electricians | $39,050 | 2,900 |
| Ophthalmic Medical Technicians | $39,100 | 910 |
Frequently Asked Questions
What is the average Water and Wastewater Treatment Plant and System Operators salary in Louisiana?
The mean water and wastewater treatment plant and system operators salary in Louisiana is $43,440 per year. The median (middle) salary is $38,690 per year.
What is the starting salary for a Water and Wastewater Treatment Plant and System Operators in Louisiana?
Entry-level water and wastewater treatment plant and system operatorss (10th percentile) in Louisiana typically earn around $29,760 per year. Workers at the 25th percentile earn approximately $34,140 per year.
What is the highest Water and Wastewater Treatment Plant and System Operators salary in Louisiana?
Top earners (90th percentile) in this occupation in Louisiana make approximately $61,350 per year. Those in the 75th percentile earn around $49,120 per year.
How does the Louisiana Water and Wastewater Treatment Plant and System Operators salary compare to the national average?
The median water and wastewater treatment plant and system operators salary in Louisiana is $38,690, which is -34% below national average of $58,260.