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Water and Wastewater Treatment Plant and System Operators Salary in Lexington Park, MD

In the 2025 U.S. Bureau of Labor Statistics, OEWS dataset, Water and Wastewater Treatment Plant and System Operators in Lexington Park, MD have a median annual salary of $56,440, with 80 recorded jobs in this area. Recorded earnings range from $48,510 at the 10th percentile to $81,040 at the 90th percentile.

Source: U.S. Bureau of Labor Statistics, OEWS · Data year: 2025 · Last updated: 2026-09-22

Salary overview

Median annual salary

$56,440

Data year: 2025

Hourly median

$27.14

Employment

80

Source

U.S. Bureau of Labor Statistics, OEWS

Salary distribution

$48,510
10th
$50,100
25th
$56,440
Median
$68,980
75th
$81,040
90th

Local compared with national

Lexington Park, MD

$56,440

Median annual · 2025

United States

$60,020

Median annual · 2025

The Lexington Park, MD median is 6.0% below the national median in the available dataset (a difference of $3,580).

Top skills

  1. 1.Operation and ControlImportance 4.0
  2. 2.Operations MonitoringImportance 3.9
  3. 3.MonitoringImportance 3.6
  4. 4.Active ListeningImportance 3.1
  5. 5.SpeakingImportance 3.1
  6. 6.Equipment MaintenanceImportance 3.1
  7. 7.TroubleshootingImportance 3.1
  8. 8.RepairingImportance 3.1
  9. 9.Quality Control AnalysisImportance 3.1
  10. 10.Reading ComprehensionImportance 3.0
  11. 11.Critical ThinkingImportance 3.0
  12. 12.CoordinationImportance 3.0

Career information

Education and experience

Typical education
High School Diploma or the equivalent (such as a GED)
Experience
None
Job zone
2

Technology used

  • Data logging software
  • Database software
  • Geographic information system GIS systems
  • Human machine interface HMI software
  • Material safety data sheet MSDS software
  • Microsoft Excel
  • Microsoft Office software
  • Microsoft Outlook
  • Microsoft PowerPoint
  • Microsoft Word
  • Operational Data Store ODS software
  • Records management software
  • Supervisory control and data acquisition SCADA software
  • Timekeeping software
  • Wastewater expert control systems

Common tasks

  • Collect and test water and sewage samples, using test equipment and color analysis standards.
  • Operate and adjust controls on equipment to purify and clarify water, process or dispose of sewage, and generate power.
  • Record operational data, personnel attendance, or meter and gauge readings on specified forms.
  • Add chemicals, such as ammonia, chlorine, or lime, to disinfect and deodorize water and other liquids.
  • Inspect equipment or monitor operating conditions, meters, and gauges to determine load requirements and detect malfunctions.
  • Direct and coordinate plant workers engaged in routine operations and maintenance activities.
  • Clean and maintain tanks, filter beds, and other work areas, using hand tools and power tools.
  • Maintain, repair, and lubricate equipment, using hand tools and power tools.

Related careers

Occupations recorded as related in the dataset. A relationship does not imply a guaranteed transition.

Water and Wastewater Treatment Plant and System Operators salary in other locations

Other occupations in Lexington Park, MD