As of August 01, 2026, the average annual salary for Water Plant Operator in Maryland is $64,779, equivalent to $31 per hour, $1,246 weekly, or $5,398 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Water Plant Operator in cities like San Jose, Santa Clara, and San Francisco.

Annually Salaries for Water Plant Operator in Maryland vary widely, spanning from $51,049 to $81,250. Most professionals fall between the 25th percentile ($57,592) and 75th percentile ($73,401), while top earners (90th percentile) make $81,250 per year. This $15,809 pay gap underscores opportunities for salary growth through certifications, specialized skills like Customer Service or Plumbing, or targeting high-paying regions like District of Columbia or California.

Location and experience significantly influence earnings. For example, Maryland Water Plant Operator often earn 3.1% higher than national averages due to demand from Fortune 71 companies. However, Maryland currently ranks 11 nationwide for Water Plant Operator job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.

Based on HR-reported data: a national average with a geographic differential
Water Plant Operator Salaries by Percentile
Percentile Salary Location Last Updated
10th Percentile Water Plant Operator Salary $51,049 MD August 01, 2026
25th Percentile Water Plant Operator Salary $57,592 MD August 01, 2026
50th Percentile Water Plant Operator Salary $64,779 MD August 01, 2026
75th Percentile Water Plant Operator Salary $73,401 MD August 01, 2026
90th Percentile Water Plant Operator Salary $81,250 MD August 01, 2026
25% $57,592 10% $51,049 90% $81,250 75% $73,401 $64,779 50%(Median) Didn’t find job title? Click
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Water Plant Operator

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Location Avg. Salary Date Updated
Location Dundalk, MD Avg. Salary $73,233 Date Updated August 01, 2026
Location Abell, MD Avg. Salary $72,347 Date Updated August 01, 2026
Location Aberdeen, MD Avg. Salary $71,592 Date Updated August 01, 2026
Location Aberdeen Proving Ground, MD Avg. Salary $71,577 Date Updated August 01, 2026
Location Abingdon, MD Avg. Salary $72,130 Date Updated August 01, 2026
Location Accident, MD Avg. Salary $67,090 Date Updated August 01, 2026
Location Accokeek, MD Avg. Salary $77,310 Date Updated August 01, 2026
Location Adamstown, MD Avg. Salary $73,393 Date Updated August 01, 2026
Location Allen, MD Avg. Salary $70,467 Date Updated August 01, 2026
Location Andrews Air Force Base, MD Avg. Salary $77,886 Date Updated August 01, 2026
Job Openings for Water Plant Operator in Maryland

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