Last updated: 2025 BLS data · Page refreshed:
Ohio employs 5,870 Water and Wastewater Treatment Plant and System Operators professionals, above the national average concentration.
Data: BLS OEWS 2025 • Ohio employment outlook • Updated 2026-05-19
The location quotient (LQ) of 2.25 indicates that Ohio has a higher-than-average concentration of Water and Wastewater Treatment Plant and System Operators professionals. This means the job is in high demand relative to other states, suggesting strong local job market opportunities.
Note: Location Quotient (LQ) is the ratio of the percentage of workers in an occupation in a given area to the percentage in that occupation nationwide. An LQ > 1.0 means above-average concentration; < 1.0 means below-average.
The average annual salary for a Water and Wastewater Treatment Plant and System Operators in Ohio is $58,990. For a detailed breakdown by percentile, entry-level, median, and senior salaries, see the comprehensive salary guide below.
Ohio employs approximately 5,870 Water and Wastewater Treatment Plant and System Operators professionals (2025 BLS data). This ranks Ohio among the top states nationwide.
Yes — Ohio has above-average concentration of Water and Wastewater Treatment Plant and System Operators jobs (LQ: 2.25). A Location Quotient above 1.0 indicates higher-than-average demand.
The average (mean) salary for Water and Wastewater Treatment Plant and System Operators in Ohio is $58990/year. See our detailed salary page for percentile breakdowns.
Location Quotient measures how concentrated an occupation is in a state compared to the national average. LQ > 1.0 means the state has more of that job proportionally. LQ > 1.2 indicates strong demand.
The top state for Water and Wastewater Treatment Plant and System Operators employment is California with 11,630 jobs.
Explore cost of living, median household income, and demographics for Ohio's largest cities.
Compare tuition, admissions, and graduate outcomes at Ohio's leading institutions.
Compare Water and Wastewater Treatment Plant and System Operators labor-market data (jobs, location quotient, salary) across the top-employing states.
Drill deeper into Water and Wastewater Treatment Plant and System Operators pay, hiring, and education data for Ohio.
Employment and location quotient data sourced from the U.S. Bureau of Labor Statistics (BLS) Occupational Employment and Wage Statistics (OEWS) 2025. This data reflects total employment, jobs per 1,000 workers, location quotient, and average salary for Water and Wastewater Treatment Plant and System Operators (SOC 518031) in Ohio.