As of August 01, 2026, the average annual salary for Water Plant Operator in Massachusetts is $68,373, equivalent to $33 per hour, $1,315 weekly, or $5,698 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 Massachusetts vary widely, spanning from $53,881 to $85,757. Most professionals fall between the 25th percentile ($60,787) and 75th percentile ($77,473), while top earners (90th percentile) make $85,757 per year. This $16,686 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, Massachusetts Water Plant Operator often earn 8.8% higher than national averages due to demand from Fortune 71 companies. However, Massachusetts currently ranks 3 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 $53,881 MA August 01, 2026
25th Percentile Water Plant Operator Salary $60,787 MA August 01, 2026
50th Percentile Water Plant Operator Salary $68,373 MA August 01, 2026
75th Percentile Water Plant Operator Salary $77,473 MA August 01, 2026
90th Percentile Water Plant Operator Salary $85,757 MA August 01, 2026
25% $60,787 10% $53,881 90% $85,757 75% $77,473 $68,373 50%(Median) Didn’t find job title? Click
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Check out Water Plant Operator jobs in Massachusetts

Water Treatment Plant Operator

Town of Andover - Andover, MA

Water Operator

Sarpi Thinktech - North Chatham, MA

Plant Operator

Vicinity Energy, Inc. - Boston, MA

Plant Operator - Up to $10k Sign on Bonus

WIN Waste Innovations - North Andover, MA

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Water Plant Operator

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Location Avg. Salary Date Updated
Location Attleboro, MA Avg. Salary $74,257 Date Updated August 01, 2026
Location Barnstable, MA Avg. Salary $75,653 Date Updated August 01, 2026
Location Fitchburg, MA Avg. Salary $75,068 Date Updated August 01, 2026
Location Hyannis, MA Avg. Salary $75,818 Date Updated August 01, 2026
Location Leominster, MA Avg. Salary $75,085 Date Updated August 01, 2026
Location Malden, MA Avg. Salary $78,738 Date Updated August 01, 2026
Location Methuen, MA Avg. Salary $75,024 Date Updated August 01, 2026
Location Newton, MA Avg. Salary $78,729 Date Updated August 01, 2026
Location Revere, MA Avg. Salary $78,736 Date Updated August 01, 2026
Location Weymouth, MA Avg. Salary $77,331 Date Updated August 01, 2026
Job Openings for Water Plant Operator in Massachusetts

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