Water and Wastewater Treatment Plant and System Operators Salary in Maryland
Water and Wastewater Treatment Plant and System Operators in Maryland earn a median annual wage of $61,870 —3.1% above the national median of $60,020. That ranks MD #19 of 50 covered states and territories for this occupation.
Wage distribution
How earnings are spread across workers in this occupation, from the 10th to the 90th percentile.
Employment is only 0.77× as concentrated as the national average — this occupation is relatively scarce in Maryland.
Highest-paying states for water and wastewater treatment plant and system operators
All 50 states ranked by median annual wage. Maryland is highlighted.
| # | State | Median annual | Median hourly | Employment | Location quotient |
|---|---|---|---|---|---|
| 1 | California | $81,770 | $39.31 | 11,630 | 0.77 |
| 2 | Nevada | $81,440 | $39.15 | — | — |
| 3 | Washington | $80,800 | $38.85 | 2,030 | 0.69 |
| 4 | Connecticut | $78,820 | $37.90 | 980 | 0.70 |
| 5 | New Jersey | $78,760 | $37.87 | 2,500 | 0.71 |
| 6 | Minnesota | $74,670 | $35.90 | 2,290 | 0.94 |
| 7 | Colorado | $74,200 | $35.68 | 2,620 | 1.10 |
| 8 | Oregon | $69,720 | $33.52 | 1,240 | 0.77 |
| 9 | Massachusetts | $68,550 | $32.96 | 2,510 | 0.84 |
| 10 | Illinois | $67,810 | $32.60 | 3,500 | 0.69 |
Related occupations in Maryland
Occupations in the same job family, compared within Maryland.
| Occupation | Maryland median | U.S. median |
|---|---|---|
| Miscellaneous Assemblers and Fabricators | $45,450 | $44,650 |
| First-Line Supervisors of Production and Operating Workers | $78,520 | $74,450 |
| Inspectors, Testers, Sorters, Samplers, and Weighers | $61,790 | $48,570 |
| Welders, Cutters, Solderers, and Brazers | $60,310 | $53,750 |
| Packaging and Filling Machine Operators and Tenders | $43,670 | $43,220 |
| Machinists | $59,810 | $58,750 |
Frequently asked questions
How much do water and wastewater treatment plant and system operators make in Maryland?
The median annual wage for water and wastewater treatment plant and system operators in Maryland is $61,870, or $29.75 per hour. That is 3.1% above the national median of $60,020.
What is the entry-level water and wastewater treatment plant and system operators salary in Maryland?
Workers at the 10th percentile earn $44,990 per year ($21.63/hour). The 25th percentile is $49,820.
How many people work as water and wastewater treatment plant and system operators in Maryland?
About 1,770 people work in this occupation in Maryland, or 0.6 per 1,000 jobs statewide.
Is Maryland a good state for water and wastewater treatment plant and system operators?
Maryland ranks #19 of 50 states by median wage for this occupation. Employment is only 0.77x as concentrated as the national average, so this occupation is relatively scarce in Maryland.
Which state pays water and wastewater treatment plant and system operators the most?
California has the highest median wage at $81,770 per year, followed by Nevada ($81,440) and Washington ($80,800).